Home / 519,731.38-779,597.10-125,747.38

Finding the Fourth Proportional to 519,731.38, 779,597.10 and 125,747.38

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Solution

The fourth proportional to 519,731.38, 779,597.10 and 125,747.38 is: 188,621.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,731.38 : 779,597.10 = 125,747.38 : x
  2. Step 2: Convert to fraction form
    519,731.38/779,597.10 = 125,747.38/x
  3. Step 3: Cross multiply
    519,731.38x = 779,597.10 × 125,747.38
  4. Step 4: Simplify right side
    519,731.38x = 98,032,288,253.88
  5. Step 5: Solve for x
    x = 98,032,288,253.88/519,731.38
  6. Step 6: Final answer
    x = 188,621.07

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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.