Home / 951,124.05-1,312,520.67-521,394.95

Finding the Fourth Proportional to 951,124.05, 1,312,520.67 and 521,394.95

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Solution

The fourth proportional to 951,124.05, 1,312,520.67 and 521,394.95 is: 719,508.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,124.05 : 1,312,520.67 = 521,394.95 : x
  2. Step 2: Convert to fraction form
    951,124.05/1,312,520.67 = 521,394.95/x
  3. Step 3: Cross multiply
    951,124.05x = 1,312,520.67 × 521,394.95
  4. Step 4: Simplify right side
    951,124.05x = 684,341,642,546.01
  5. Step 5: Solve for x
    x = 684,341,642,546.01/951,124.05
  6. Step 6: Final answer
    x = 719,508.29

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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.