Home / 731,327.89-1,008,826.31-425,369.83

Finding the Fourth Proportional to 731,327.89, 1,008,826.31 and 425,369.83

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Solution

The fourth proportional to 731,327.89, 1,008,826.31 and 425,369.83 is: 586,774.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,327.89 : 1,008,826.31 = 425,369.83 : x
  2. Step 2: Convert to fraction form
    731,327.89/1,008,826.31 = 425,369.83/x
  3. Step 3: Cross multiply
    731,327.89x = 1,008,826.31 × 425,369.83
  4. Step 4: Simplify right side
    731,327.89x = 429,124,273,857.38
  5. Step 5: Solve for x
    x = 429,124,273,857.38/731,327.89
  6. Step 6: Final answer
    x = 586,774.11

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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.