Home / 1,621,872.57-2,432,553.45-542,376.82

Finding the Fourth Proportional to 1,621,872.57, 2,432,553.45 and 542,376.82

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Solution

The fourth proportional to 1,621,872.57, 2,432,553.45 and 542,376.82 is: 813,479.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,872.57 : 2,432,553.45 = 542,376.82 : x
  2. Step 2: Convert to fraction form
    1,621,872.57/2,432,553.45 = 542,376.82/x
  3. Step 3: Cross multiply
    1,621,872.57x = 2,432,553.45 × 542,376.82
  4. Step 4: Simplify right side
    1,621,872.57x = 1,319,360,604,691.03
  5. Step 5: Solve for x
    x = 1,319,360,604,691.03/1,621,872.57
  6. Step 6: Final answer
    x = 813,479.82

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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.