Home / 886,789.62-1,223,700.01-499,587.95

Finding the Fourth Proportional to 886,789.62, 1,223,700.01 and 499,587.95

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Solution

The fourth proportional to 886,789.62, 1,223,700.01 and 499,587.95 is: 689,392.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,789.62 : 1,223,700.01 = 499,587.95 : x
  2. Step 2: Convert to fraction form
    886,789.62/1,223,700.01 = 499,587.95/x
  3. Step 3: Cross multiply
    886,789.62x = 1,223,700.01 × 499,587.95
  4. Step 4: Simplify right side
    886,789.62x = 611,345,781,221.16
  5. Step 5: Solve for x
    x = 611,345,781,221.16/886,789.62
  6. Step 6: Final answer
    x = 689,392.13

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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.