Home / 971,447.10-1,456,479.45-372,176.70

Finding the Fourth Proportional to 971,447.10, 1,456,479.45 and 372,176.70

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Solution

The fourth proportional to 971,447.10, 1,456,479.45 and 372,176.70 is: 558,000.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,447.10 : 1,456,479.45 = 372,176.70 : x
  2. Step 2: Convert to fraction form
    971,447.10/1,456,479.45 = 372,176.70/x
  3. Step 3: Cross multiply
    971,447.10x = 1,456,479.45 × 372,176.70
  4. Step 4: Simplify right side
    971,447.10x = 542,067,715,318.82
  5. Step 5: Solve for x
    x = 542,067,715,318.82/971,447.10
  6. Step 6: Final answer
    x = 558,000.24

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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.