Home / 625,814.10-938,721.15-601,319.70

Finding the Fourth Proportional to 625,814.10, 938,721.15 and 601,319.70

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Solution

The fourth proportional to 625,814.10, 938,721.15 and 601,319.70 is: 901,979.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,814.10 : 938,721.15 = 601,319.70 : x
  2. Step 2: Convert to fraction form
    625,814.10/938,721.15 = 601,319.70/x
  3. Step 3: Cross multiply
    625,814.10x = 938,721.15 × 601,319.70
  4. Step 4: Simplify right side
    625,814.10x = 564,471,520,301.66
  5. Step 5: Solve for x
    x = 564,471,520,301.66/625,814.10
  6. Step 6: Final answer
    x = 901,979.55

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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.