Home / 766,368.30-1,149,552.45-434,592.30

Finding the Fourth Proportional to 766,368.30, 1,149,552.45 and 434,592.30

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Solution

The fourth proportional to 766,368.30, 1,149,552.45 and 434,592.30 is: 651,888.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,368.30 : 1,149,552.45 = 434,592.30 : x
  2. Step 2: Convert to fraction form
    766,368.30/1,149,552.45 = 434,592.30/x
  3. Step 3: Cross multiply
    766,368.30x = 1,149,552.45 × 434,592.30
  4. Step 4: Simplify right side
    766,368.30x = 499,586,643,216.14
  5. Step 5: Solve for x
    x = 499,586,643,216.14/766,368.30
  6. Step 6: Final answer
    x = 651,888.45

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Half scale
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Double scale
Find fourth proportional to 766,369.30, 1,149,553.95 and 434,593.30
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.