Home / 988,057.42-1,363,520.14-535,348.42

Finding the Fourth Proportional to 988,057.42, 1,363,520.14 and 535,348.42

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Solution

The fourth proportional to 988,057.42, 1,363,520.14 and 535,348.42 is: 738,781.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,057.42 : 1,363,520.14 = 535,348.42 : x
  2. Step 2: Convert to fraction form
    988,057.42/1,363,520.14 = 535,348.42/x
  3. Step 3: Cross multiply
    988,057.42x = 1,363,520.14 × 535,348.42
  4. Step 4: Simplify right side
    988,057.42x = 729,958,347,840.01
  5. Step 5: Solve for x
    x = 729,958,347,840.01/988,057.42
  6. Step 6: Final answer
    x = 738,781.30

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.