Home / 811,167.13-1,119,381.30-443,631.71

Finding the Fourth Proportional to 811,167.13, 1,119,381.30 and 443,631.71

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Solution

The fourth proportional to 811,167.13, 1,119,381.30 and 443,631.71 is: 612,195.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,167.13 : 1,119,381.30 = 443,631.71 : x
  2. Step 2: Convert to fraction form
    811,167.13/1,119,381.30 = 443,631.71/x
  3. Step 3: Cross multiply
    811,167.13x = 1,119,381.30 × 443,631.71
  4. Step 4: Simplify right side
    811,167.13x = 496,593,038,663.50
  5. Step 5: Solve for x
    x = 496,593,038,663.50/811,167.13
  6. Step 6: Final answer
    x = 612,195.71

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1.5x scale

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.