Home / 951,246.45-1,312,691.67-521,511.89

Finding the Fourth Proportional to 951,246.45, 1,312,691.67 and 521,511.89

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Solution

The fourth proportional to 951,246.45, 1,312,691.67 and 521,511.89 is: 719,670.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,246.45 : 1,312,691.67 = 521,511.89 : x
  2. Step 2: Convert to fraction form
    951,246.45/1,312,691.67 = 521,511.89/x
  3. Step 3: Cross multiply
    951,246.45x = 1,312,691.67 × 521,511.89
  4. Step 4: Simplify right side
    951,246.45x = 684,584,307,245.50
  5. Step 5: Solve for x
    x = 684,584,307,245.50/951,246.45
  6. Step 6: Final answer
    x = 719,670.81

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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.