Home / 947,640.96-1,307,725.11-517,924.17

Finding the Fourth Proportional to 947,640.96, 1,307,725.11 and 517,924.17

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Solution

The fourth proportional to 947,640.96, 1,307,725.11 and 517,924.17 is: 714,724.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,640.96 : 1,307,725.11 = 517,924.17 : x
  2. Step 2: Convert to fraction form
    947,640.96/1,307,725.11 = 517,924.17/x
  3. Step 3: Cross multiply
    947,640.96x = 1,307,725.11 × 517,924.17
  4. Step 4: Simplify right side
    947,640.96x = 677,302,442,184.91
  5. Step 5: Solve for x
    x = 677,302,442,184.91/947,640.96
  6. Step 6: Final answer
    x = 714,724.74

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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.