Home / 864,037.96-1,192,432.26-482,139.16

Finding the Fourth Proportional to 864,037.96, 1,192,432.26 and 482,139.16

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Solution

The fourth proportional to 864,037.96, 1,192,432.26 and 482,139.16 is: 665,385.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,037.96 : 1,192,432.26 = 482,139.16 : x
  2. Step 2: Convert to fraction form
    864,037.96/1,192,432.26 = 482,139.16/x
  3. Step 3: Cross multiply
    864,037.96x = 1,192,432.26 × 482,139.16
  4. Step 4: Simplify right side
    864,037.96x = 574,918,288,193.30
  5. Step 5: Solve for x
    x = 574,918,288,193.30/864,037.96
  6. Step 6: Final answer
    x = 665,385.45

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Double scale
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1.5x scale

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.