Home / 886,121.43-1,222,686.27-498,876.63

Finding the Fourth Proportional to 886,121.43, 1,222,686.27 and 498,876.63

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Solution

The fourth proportional to 886,121.43, 1,222,686.27 and 498,876.63 is: 688,358.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,121.43 : 1,222,686.27 = 498,876.63 : x
  2. Step 2: Convert to fraction form
    886,121.43/1,222,686.27 = 498,876.63/x
  3. Step 3: Cross multiply
    886,121.43x = 1,222,686.27 × 498,876.63
  4. Step 4: Simplify right side
    886,121.43x = 609,969,605,924.87
  5. Step 5: Solve for x
    x = 609,969,605,924.87/886,121.43
  6. Step 6: Final answer
    x = 688,358.94

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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.