Home / 868,517.76-1,199,288.64-653,282.88

Finding the Fourth Proportional to 868,517.76, 1,199,288.64 and 653,282.88

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Solution

The fourth proportional to 868,517.76, 1,199,288.64 and 653,282.88 is: 902,082.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,517.76 : 1,199,288.64 = 653,282.88 : x
  2. Step 2: Convert to fraction form
    868,517.76/1,199,288.64 = 653,282.88/x
  3. Step 3: Cross multiply
    868,517.76x = 1,199,288.64 × 653,282.88
  4. Step 4: Simplify right side
    868,517.76x = 783,474,736,690.48
  5. Step 5: Solve for x
    x = 783,474,736,690.48/868,517.76
  6. Step 6: Final answer
    x = 902,082.57

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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.