Home / 864,211.86-1,192,279.77-541,359.90

Finding the Fourth Proportional to 864,211.86, 1,192,279.77 and 541,359.90

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Solution

The fourth proportional to 864,211.86, 1,192,279.77 and 541,359.90 is: 746,868.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,211.86 : 1,192,279.77 = 541,359.90 : x
  2. Step 2: Convert to fraction form
    864,211.86/1,192,279.77 = 541,359.90/x
  3. Step 3: Cross multiply
    864,211.86x = 1,192,279.77 × 541,359.90
  4. Step 4: Simplify right side
    864,211.86x = 645,452,457,059.22
  5. Step 5: Solve for x
    x = 645,452,457,059.22/864,211.86
  6. Step 6: Final answer
    x = 746,868.32

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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.