Home / 544,920.96-752,081.04-318,522.72

Finding the Fourth Proportional to 544,920.96, 752,081.04 and 318,522.72

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Solution

The fourth proportional to 544,920.96, 752,081.04 and 318,522.72 is: 439,614.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,920.96 : 752,081.04 = 318,522.72 : x
  2. Step 2: Convert to fraction form
    544,920.96/752,081.04 = 318,522.72/x
  3. Step 3: Cross multiply
    544,920.96x = 752,081.04 × 318,522.72
  4. Step 4: Simplify right side
    544,920.96x = 239,554,898,521.23
  5. Step 5: Solve for x
    x = 239,554,898,521.23/544,920.96
  6. Step 6: Final answer
    x = 439,614.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.