Home / 440,530.65-660,821.09-124,962.75

Finding the Fourth Proportional to 440,530.65, 660,821.09 and 124,962.75

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Solution

The fourth proportional to 440,530.65, 660,821.09 and 124,962.75 is: 187,451.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,530.65 : 660,821.09 = 124,962.75 : x
  2. Step 2: Convert to fraction form
    440,530.65/660,821.09 = 124,962.75/x
  3. Step 3: Cross multiply
    440,530.65x = 660,821.09 × 124,962.75
  4. Step 4: Simplify right side
    440,530.65x = 82,578,020,039.58
  5. Step 5: Solve for x
    x = 82,578,020,039.58/440,530.65
  6. Step 6: Final answer
    x = 187,451.25

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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.