Home / 963,149.12-1,444,737.80-457,761.66

Finding the Fourth Proportional to 963,149.12, 1,444,737.80 and 457,761.66

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Solution

The fourth proportional to 963,149.12, 1,444,737.80 and 457,761.66 is: 686,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,149.12 : 1,444,737.80 = 457,761.66 : x
  2. Step 2: Convert to fraction form
    963,149.12/1,444,737.80 = 457,761.66/x
  3. Step 3: Cross multiply
    963,149.12x = 1,444,737.80 × 457,761.66
  4. Step 4: Simplify right side
    963,149.12x = 661,345,573,592.75
  5. Step 5: Solve for x
    x = 661,345,573,592.75/963,149.12
  6. Step 6: Final answer
    x = 686,649.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.