Home / 947,694.08-1,307,772.69-517,974.55

Finding the Fourth Proportional to 947,694.08, 1,307,772.69 and 517,974.55

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Solution

The fourth proportional to 947,694.08, 1,307,772.69 and 517,974.55 is: 714,780.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,694.08 : 1,307,772.69 = 517,974.55 : x
  2. Step 2: Convert to fraction form
    947,694.08/1,307,772.69 = 517,974.55/x
  3. Step 3: Cross multiply
    947,694.08x = 1,307,772.69 × 517,974.55
  4. Step 4: Simplify right side
    947,694.08x = 677,392,968,306.81
  5. Step 5: Solve for x
    x = 677,392,968,306.81/947,694.08
  6. Step 6: Final answer
    x = 714,780.21

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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.