Home / 712,398.92-983,569.38-635,785.88

Finding the Fourth Proportional to 712,398.92, 983,569.38 and 635,785.88

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Solution

The fourth proportional to 712,398.92, 983,569.38 and 635,785.88 is: 877,794.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,398.92 : 983,569.38 = 635,785.88 : x
  2. Step 2: Convert to fraction form
    712,398.92/983,569.38 = 635,785.88/x
  3. Step 3: Cross multiply
    712,398.92x = 983,569.38 × 635,785.88
  4. Step 4: Simplify right side
    712,398.92x = 625,339,523,804.35
  5. Step 5: Solve for x
    x = 625,339,523,804.35/712,398.92
  6. Step 6: Final answer
    x = 877,794.04

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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.