Home / 742,423.86-1,024,545.58-402,892.11

Finding the Fourth Proportional to 742,423.86, 1,024,545.58 and 402,892.11

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Solution

The fourth proportional to 742,423.86, 1,024,545.58 and 402,892.11 is: 555,991.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,423.86 : 1,024,545.58 = 402,892.11 : x
  2. Step 2: Convert to fraction form
    742,423.86/1,024,545.58 = 402,892.11/x
  3. Step 3: Cross multiply
    742,423.86x = 1,024,545.58 × 402,892.11
  4. Step 4: Simplify right side
    742,423.86x = 412,781,330,517.37
  5. Step 5: Solve for x
    x = 412,781,330,517.37/742,423.86
  6. Step 6: Final answer
    x = 555,991.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.