Home / 811,169.13-1,119,384.06-443,633.71

Finding the Fourth Proportional to 811,169.13, 1,119,384.06 and 443,633.71

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Solution

The fourth proportional to 811,169.13, 1,119,384.06 and 443,633.71 is: 612,198.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,169.13 : 1,119,384.06 = 443,633.71 : x
  2. Step 2: Convert to fraction form
    811,169.13/1,119,384.06 = 443,633.71/x
  3. Step 3: Cross multiply
    811,169.13x = 1,119,384.06 × 443,633.71
  4. Step 4: Simplify right side
    811,169.13x = 496,596,503,452.66
  5. Step 5: Solve for x
    x = 496,596,503,452.66/811,169.13
  6. Step 6: Final answer
    x = 612,198.47

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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.