Home / 1,861,167.34-2,791,945.11-513,330.18

Finding the Fourth Proportional to 1,861,167.34, 2,791,945.11 and 513,330.18

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Solution

The fourth proportional to 1,861,167.34, 2,791,945.11 and 513,330.18 is: 770,048.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,167.34 : 2,791,945.11 = 513,330.18 : x
  2. Step 2: Convert to fraction form
    1,861,167.34/2,791,945.11 = 513,330.18/x
  3. Step 3: Cross multiply
    1,861,167.34x = 2,791,945.11 × 513,330.18
  4. Step 4: Simplify right side
    1,861,167.34x = 1,433,189,677,321.61
  5. Step 5: Solve for x
    x = 1,433,189,677,321.61/1,861,167.34
  6. Step 6: Final answer
    x = 770,048.80

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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.