Home / 910,390.20-1,365,585.30-437,998.20

Finding the Fourth Proportional to 910,390.20, 1,365,585.30 and 437,998.20

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Solution

The fourth proportional to 910,390.20, 1,365,585.30 and 437,998.20 is: 656,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,390.20 : 1,365,585.30 = 437,998.20 : x
  2. Step 2: Convert to fraction form
    910,390.20/1,365,585.30 = 437,998.20/x
  3. Step 3: Cross multiply
    910,390.20x = 1,365,585.30 × 437,998.20
  4. Step 4: Simplify right side
    910,390.20x = 598,123,903,346.46
  5. Step 5: Solve for x
    x = 598,123,903,346.46/910,390.20
  6. Step 6: Final answer
    x = 656,997.30

Related Problems

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Half scale
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Double scale
Find fourth proportional to 910,391.20, 1,365,586.80 and 437,999.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.