Home / 947,248.11-1,307,221.20-517,554.90

Finding the Fourth Proportional to 947,248.11, 1,307,221.20 and 517,554.90

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Solution

The fourth proportional to 947,248.11, 1,307,221.20 and 517,554.90 is: 714,236.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,248.11 : 1,307,221.20 = 517,554.90 : x
  2. Step 2: Convert to fraction form
    947,248.11/1,307,221.20 = 517,554.90/x
  3. Step 3: Cross multiply
    947,248.11x = 1,307,221.20 × 517,554.90
  4. Step 4: Simplify right side
    947,248.11x = 676,558,737,443.88
  5. Step 5: Solve for x
    x = 676,558,737,443.88/947,248.11
  6. Step 6: Final answer
    x = 714,236.04

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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.