Home / 440,547.33-660,148.11-327,681.75

Finding the Fourth Proportional to 440,547.33, 660,148.11 and 327,681.75

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Solution

The fourth proportional to 440,547.33, 660,148.11 and 327,681.75 is: 491,022.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,547.33 : 660,148.11 = 327,681.75 : x
  2. Step 2: Convert to fraction form
    440,547.33/660,148.11 = 327,681.75/x
  3. Step 3: Cross multiply
    440,547.33x = 660,148.11 × 327,681.75
  4. Step 4: Simplify right side
    440,547.33x = 216,318,487,943.99
  5. Step 5: Solve for x
    x = 216,318,487,943.99/440,547.33
  6. Step 6: Final answer
    x = 491,022.13

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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.