Home / 951,204.31-1,312,661.62-521,475.21

Finding the Fourth Proportional to 951,204.31, 1,312,661.62 and 521,475.21

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Solution

The fourth proportional to 951,204.31, 1,312,661.62 and 521,475.21 is: 719,635.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,204.31 : 1,312,661.62 = 521,475.21 : x
  2. Step 2: Convert to fraction form
    951,204.31/1,312,661.62 = 521,475.21/x
  3. Step 3: Cross multiply
    951,204.31x = 1,312,661.62 × 521,475.21
  4. Step 4: Simplify right side
    951,204.31x = 684,520,493,948.44
  5. Step 5: Solve for x
    x = 684,520,493,948.44/951,204.31
  6. Step 6: Final answer
    x = 719,635.61

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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.