Home / 951,150.39-1,312,587.42-521,433.56

Finding the Fourth Proportional to 951,150.39, 1,312,587.42 and 521,433.56

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Solution

The fourth proportional to 951,150.39, 1,312,587.42 and 521,433.56 is: 719,578.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,150.39 : 1,312,587.42 = 521,433.56 : x
  2. Step 2: Convert to fraction form
    951,150.39/1,312,587.42 = 521,433.56/x
  3. Step 3: Cross multiply
    951,150.39x = 1,312,587.42 × 521,433.56
  4. Step 4: Simplify right side
    951,150.39x = 684,427,124,658.88
  5. Step 5: Solve for x
    x = 684,427,124,658.88/951,150.39
  6. Step 6: Final answer
    x = 719,578.24

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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.