Home / 410,610.26-615,916.85-126,298.90

Finding the Fourth Proportional to 410,610.26, 615,916.85 and 126,298.90

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Solution

The fourth proportional to 410,610.26, 615,916.85 and 126,298.90 is: 189,448.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,610.26 : 615,916.85 = 126,298.90 : x
  2. Step 2: Convert to fraction form
    410,610.26/615,916.85 = 126,298.90/x
  3. Step 3: Cross multiply
    410,610.26x = 615,916.85 × 126,298.90
  4. Step 4: Simplify right side
    410,610.26x = 77,789,618,385.98
  5. Step 5: Solve for x
    x = 77,789,618,385.98/410,610.26
  6. Step 6: Final answer
    x = 189,448.79

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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.