Home / 1,065,216.38-1,469,996.25-581,781.55

Finding the Fourth Proportional to 1,065,216.38, 1,469,996.25 and 581,781.55

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Solution

The fourth proportional to 1,065,216.38, 1,469,996.25 and 581,781.55 is: 802,857.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,216.38 : 1,469,996.25 = 581,781.55 : x
  2. Step 2: Convert to fraction form
    1,065,216.38/1,469,996.25 = 581,781.55/x
  3. Step 3: Cross multiply
    1,065,216.38x = 1,469,996.25 × 581,781.55
  4. Step 4: Simplify right side
    1,065,216.38x = 855,216,696,819.19
  5. Step 5: Solve for x
    x = 855,216,696,819.19/1,065,216.38
  6. Step 6: Final answer
    x = 802,857.25

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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.