Home / 753,164.27-1,129,755.53-220,696.10

Finding the Fourth Proportional to 753,164.27, 1,129,755.53 and 220,696.10

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Solution

The fourth proportional to 753,164.27, 1,129,755.53 and 220,696.10 is: 331,046.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,164.27 : 1,129,755.53 = 220,696.10 : x
  2. Step 2: Convert to fraction form
    753,164.27/1,129,755.53 = 220,696.10/x
  3. Step 3: Cross multiply
    753,164.27x = 1,129,755.53 × 220,696.10
  4. Step 4: Simplify right side
    753,164.27x = 249,332,634,327.40
  5. Step 5: Solve for x
    x = 249,332,634,327.40/753,164.27
  6. Step 6: Final answer
    x = 331,046.82

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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.