Home / 527,834.26-727,434.43-374,879.13

Finding the Fourth Proportional to 527,834.26, 727,434.43 and 374,879.13

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Solution

The fourth proportional to 527,834.26, 727,434.43 and 374,879.13 is: 516,639.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,834.26 : 727,434.43 = 374,879.13 : x
  2. Step 2: Convert to fraction form
    527,834.26/727,434.43 = 374,879.13/x
  3. Step 3: Cross multiply
    527,834.26x = 727,434.43 × 374,879.13
  4. Step 4: Simplify right side
    527,834.26x = 272,699,986,250.45
  5. Step 5: Solve for x
    x = 272,699,986,250.45/527,834.26
  6. Step 6: Final answer
    x = 516,639.42

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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.