Home / 947,635.92-1,307,734.41-517,915.92

Finding the Fourth Proportional to 947,635.92, 1,307,734.41 and 517,915.92

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Solution

The fourth proportional to 947,635.92, 1,307,734.41 and 517,915.92 is: 714,722.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,635.92 : 1,307,734.41 = 517,915.92 : x
  2. Step 2: Convert to fraction form
    947,635.92/1,307,734.41 = 517,915.92/x
  3. Step 3: Cross multiply
    947,635.92x = 1,307,734.41 × 517,915.92
  4. Step 4: Simplify right side
    947,635.92x = 677,296,470,070.81
  5. Step 5: Solve for x
    x = 677,296,470,070.81/947,635.92
  6. Step 6: Final answer
    x = 714,722.24

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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.