Home / 452,753.07-679,008.10-215,623.95

Finding the Fourth Proportional to 452,753.07, 679,008.10 and 215,623.95

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Solution

The fourth proportional to 452,753.07, 679,008.10 and 215,623.95 is: 323,378.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,753.07 : 679,008.10 = 215,623.95 : x
  2. Step 2: Convert to fraction form
    452,753.07/679,008.10 = 215,623.95/x
  3. Step 3: Cross multiply
    452,753.07x = 679,008.10 × 215,623.95
  4. Step 4: Simplify right side
    452,753.07x = 146,410,408,604.00
  5. Step 5: Solve for x
    x = 146,410,408,604.00/452,753.07
  6. Step 6: Final answer
    x = 323,378.06

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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.