Home / 440,328.72-660,044.76-173,723.28

Finding the Fourth Proportional to 440,328.72, 660,044.76 and 173,723.28

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Solution

The fourth proportional to 440,328.72, 660,044.76 and 173,723.28 is: 260,408.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,328.72 : 660,044.76 = 173,723.28 : x
  2. Step 2: Convert to fraction form
    440,328.72/660,044.76 = 173,723.28/x
  3. Step 3: Cross multiply
    440,328.72x = 660,044.76 × 173,723.28
  4. Step 4: Simplify right side
    440,328.72x = 114,665,140,654.01
  5. Step 5: Solve for x
    x = 114,665,140,654.01/440,328.72
  6. Step 6: Final answer
    x = 260,408.04

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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.