Home / 440,552.76-660,829.65-120,707.35

Finding the Fourth Proportional to 440,552.76, 660,829.65 and 120,707.35

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Solution

The fourth proportional to 440,552.76, 660,829.65 and 120,707.35 is: 181,061.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,552.76 : 660,829.65 = 120,707.35 : x
  2. Step 2: Convert to fraction form
    440,552.76/660,829.65 = 120,707.35/x
  3. Step 3: Cross multiply
    440,552.76x = 660,829.65 × 120,707.35
  4. Step 4: Simplify right side
    440,552.76x = 79,766,995,852.93
  5. Step 5: Solve for x
    x = 79,766,995,852.93/440,552.76
  6. Step 6: Final answer
    x = 181,061.16

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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.