Home / 853,476.22-1,177,814.11-466,315.61

Finding the Fourth Proportional to 853,476.22, 1,177,814.11 and 466,315.61

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Solution

The fourth proportional to 853,476.22, 1,177,814.11 and 466,315.61 is: 643,524.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,476.22 : 1,177,814.11 = 466,315.61 : x
  2. Step 2: Convert to fraction form
    853,476.22/1,177,814.11 = 466,315.61/x
  3. Step 3: Cross multiply
    853,476.22x = 1,177,814.11 × 466,315.61
  4. Step 4: Simplify right side
    853,476.22x = 549,233,108,002.74
  5. Step 5: Solve for x
    x = 549,233,108,002.74/853,476.22
  6. Step 6: Final answer
    x = 643,524.80

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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.