Home / 947,557.92-1,307,592.72-517,843.20

Finding the Fourth Proportional to 947,557.92, 1,307,592.72 and 517,843.20

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Solution

The fourth proportional to 947,557.92, 1,307,592.72 and 517,843.20 is: 714,603.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,557.92 : 1,307,592.72 = 517,843.20 : x
  2. Step 2: Convert to fraction form
    947,557.92/1,307,592.72 = 517,843.20/x
  3. Step 3: Cross multiply
    947,557.92x = 1,307,592.72 × 517,843.20
  4. Step 4: Simplify right side
    947,557.92x = 677,127,998,421.50
  5. Step 5: Solve for x
    x = 677,127,998,421.50/947,557.92
  6. Step 6: Final answer
    x = 714,603.28

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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.