Home / 838,306.13-1,156,862.59-456,335.78

Finding the Fourth Proportional to 838,306.13, 1,156,862.59 and 456,335.78

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Solution

The fourth proportional to 838,306.13, 1,156,862.59 and 456,335.78 is: 629,743.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,306.13 : 1,156,862.59 = 456,335.78 : x
  2. Step 2: Convert to fraction form
    838,306.13/1,156,862.59 = 456,335.78/x
  3. Step 3: Cross multiply
    838,306.13x = 1,156,862.59 × 456,335.78
  4. Step 4: Simplify right side
    838,306.13x = 527,917,785,435.32
  5. Step 5: Solve for x
    x = 527,917,785,435.32/838,306.13
  6. Step 6: Final answer
    x = 629,743.44

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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.