Home / 861,730.01-1,189,250.64-616,737.77

Finding the Fourth Proportional to 861,730.01, 1,189,250.64 and 616,737.77

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Solution

The fourth proportional to 861,730.01, 1,189,250.64 and 616,737.77 is: 851,143.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,730.01 : 1,189,250.64 = 616,737.77 : x
  2. Step 2: Convert to fraction form
    861,730.01/1,189,250.64 = 616,737.77/x
  3. Step 3: Cross multiply
    861,730.01x = 1,189,250.64 × 616,737.77
  4. Step 4: Simplify right side
    861,730.01x = 733,455,781,738.42
  5. Step 5: Solve for x
    x = 733,455,781,738.42/861,730.01
  6. Step 6: Final answer
    x = 851,143.37

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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.