Home / 881,497.20-1,216,050.48-639,248.52

Finding the Fourth Proportional to 881,497.20, 1,216,050.48 and 639,248.52

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Solution

The fourth proportional to 881,497.20, 1,216,050.48 and 639,248.52 is: 881,861.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,497.20 : 1,216,050.48 = 639,248.52 : x
  2. Step 2: Convert to fraction form
    881,497.20/1,216,050.48 = 639,248.52/x
  3. Step 3: Cross multiply
    881,497.20x = 1,216,050.48 × 639,248.52
  4. Step 4: Simplify right side
    881,497.20x = 777,358,469,585.29
  5. Step 5: Solve for x
    x = 777,358,469,585.29/881,497.20
  6. Step 6: Final answer
    x = 881,861.53

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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.