Home / 838,146.38-1,156,641.95-456,175.90

Finding the Fourth Proportional to 838,146.38, 1,156,641.95 and 456,175.90

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Solution

The fourth proportional to 838,146.38, 1,156,641.95 and 456,175.90 is: 629,522.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,146.38 : 1,156,641.95 = 456,175.90 : x
  2. Step 2: Convert to fraction form
    838,146.38/1,156,641.95 = 456,175.90/x
  3. Step 3: Cross multiply
    838,146.38x = 1,156,641.95 × 456,175.90
  4. Step 4: Simplify right side
    838,146.38x = 527,632,174,454.92
  5. Step 5: Solve for x
    x = 527,632,174,454.92/838,146.38
  6. Step 6: Final answer
    x = 629,522.70

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Double scale
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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.