Home / 977,593.97-1,349,159.55-542,147.69

Finding the Fourth Proportional to 977,593.97, 1,349,159.55 and 542,147.69

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Solution

The fourth proportional to 977,593.97, 1,349,159.55 and 542,147.69 is: 748,208.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,593.97 : 1,349,159.55 = 542,147.69 : x
  2. Step 2: Convert to fraction form
    977,593.97/1,349,159.55 = 542,147.69/x
  3. Step 3: Cross multiply
    977,593.97x = 1,349,159.55 × 542,147.69
  4. Step 4: Simplify right side
    977,593.97x = 731,443,734,813.78
  5. Step 5: Solve for x
    x = 731,443,734,813.78/977,593.97
  6. Step 6: Final answer
    x = 748,208.11

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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.