Home / 1,552,711.13-2,327,178.20-831,279.98

Finding the Fourth Proportional to 1,552,711.13, 2,327,178.20 and 831,279.98

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Solution

The fourth proportional to 1,552,711.13, 2,327,178.20 and 831,279.98 is: 1,245,908.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552,711.13 : 2,327,178.20 = 831,279.98 : x
  2. Step 2: Convert to fraction form
    1,552,711.13/2,327,178.20 = 831,279.98/x
  3. Step 3: Cross multiply
    1,552,711.13x = 2,327,178.20 × 831,279.98
  4. Step 4: Simplify right side
    1,552,711.13x = 1,934,536,631,760.15
  5. Step 5: Solve for x
    x = 1,934,536,631,760.15/1,552,711.13
  6. Step 6: Final answer
    x = 1,245,908.91

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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.