Home / 741,781.96-1,023,366.42-465,977.72

Finding the Fourth Proportional to 741,781.96, 1,023,366.42 and 465,977.72

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Solution

The fourth proportional to 741,781.96, 1,023,366.42 and 465,977.72 is: 642,865.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,781.96 : 1,023,366.42 = 465,977.72 : x
  2. Step 2: Convert to fraction form
    741,781.96/1,023,366.42 = 465,977.72/x
  3. Step 3: Cross multiply
    741,781.96x = 1,023,366.42 × 465,977.72
  4. Step 4: Simplify right side
    741,781.96x = 476,865,951,116.16
  5. Step 5: Solve for x
    x = 476,865,951,116.16/741,781.96
  6. Step 6: Final answer
    x = 642,865.39

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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.