Home / 611,772.85-844,381.47-339,934.15

Finding the Fourth Proportional to 611,772.85, 844,381.47 and 339,934.15

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Solution

The fourth proportional to 611,772.85, 844,381.47 and 339,934.15 is: 469,184.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,772.85 : 844,381.47 = 339,934.15 : x
  2. Step 2: Convert to fraction form
    611,772.85/844,381.47 = 339,934.15/x
  3. Step 3: Cross multiply
    611,772.85x = 844,381.47 × 339,934.15
  4. Step 4: Simplify right side
    611,772.85x = 287,034,097,280.20
  5. Step 5: Solve for x
    x = 287,034,097,280.20/611,772.85
  6. Step 6: Final answer
    x = 469,184.11

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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.