Home / 1,227,513.60-1,838,989.44-667,019.52

Finding the Fourth Proportional to 1,227,513.60, 1,838,989.44 and 667,019.52

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Solution

The fourth proportional to 1,227,513.60, 1,838,989.44 and 667,019.52 is: 999,289.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,513.60 : 1,838,989.44 = 667,019.52 : x
  2. Step 2: Convert to fraction form
    1,227,513.60/1,838,989.44 = 667,019.52/x
  3. Step 3: Cross multiply
    1,227,513.60x = 1,838,989.44 × 667,019.52
  4. Step 4: Simplify right side
    1,227,513.60x = 1,226,641,853,553.87
  5. Step 5: Solve for x
    x = 1,226,641,853,553.87/1,227,513.60
  6. Step 6: Final answer
    x = 999,289.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.