Home / 838,279.62-1,156,826.02-456,306.38

Finding the Fourth Proportional to 838,279.62, 1,156,826.02 and 456,306.38

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Solution

The fourth proportional to 838,279.62, 1,156,826.02 and 456,306.38 is: 629,702.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,279.62 : 1,156,826.02 = 456,306.38 : x
  2. Step 2: Convert to fraction form
    838,279.62/1,156,826.02 = 456,306.38/x
  3. Step 3: Cross multiply
    838,279.62x = 1,156,826.02 × 456,306.38
  4. Step 4: Simplify right side
    838,279.62x = 527,867,093,476.01
  5. Step 5: Solve for x
    x = 527,867,093,476.01/838,279.62
  6. Step 6: Final answer
    x = 629,702.88

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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.