Home / 440,526.20-660,646.74-124,898.36

Finding the Fourth Proportional to 440,526.20, 660,646.74 and 124,898.36

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Solution

The fourth proportional to 440,526.20, 660,646.74 and 124,898.36 is: 187,307.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,526.20 : 660,646.74 = 124,898.36 : x
  2. Step 2: Convert to fraction form
    440,526.20/660,646.74 = 124,898.36/x
  3. Step 3: Cross multiply
    440,526.20x = 660,646.74 × 124,898.36
  4. Step 4: Simplify right side
    440,526.20x = 82,513,694,365.35
  5. Step 5: Solve for x
    x = 82,513,694,365.35/440,526.20
  6. Step 6: Final answer
    x = 187,307.12

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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.