Home / 947,422.32-1,307,446.20-517,702.44

Finding the Fourth Proportional to 947,422.32, 1,307,446.20 and 517,702.44

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Solution

The fourth proportional to 947,422.32, 1,307,446.20 and 517,702.44 is: 714,431.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,422.32 : 1,307,446.20 = 517,702.44 : x
  2. Step 2: Convert to fraction form
    947,422.32/1,307,446.20 = 517,702.44/x
  3. Step 3: Cross multiply
    947,422.32x = 1,307,446.20 × 517,702.44
  4. Step 4: Simplify right side
    947,422.32x = 676,868,087,908.73
  5. Step 5: Solve for x
    x = 676,868,087,908.73/947,422.32
  6. Step 6: Final answer
    x = 714,431.22

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Double scale
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Similar ratio
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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.