Home / 644,411.20-965,666.40-467,291.20

Finding the Fourth Proportional to 644,411.20, 965,666.40 and 467,291.20

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Solution

The fourth proportional to 644,411.20, 965,666.40 and 467,291.20 is: 700,247.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,411.20 : 965,666.40 = 467,291.20 : x
  2. Step 2: Convert to fraction form
    644,411.20/965,666.40 = 467,291.20/x
  3. Step 3: Cross multiply
    644,411.20x = 965,666.40 × 467,291.20
  4. Step 4: Simplify right side
    644,411.20x = 451,247,410,855.68
  5. Step 5: Solve for x
    x = 451,247,410,855.68/644,411.20
  6. Step 6: Final answer
    x = 700,247.62

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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.