Home / 1,532,581.66-2,115,028.31-853,518.16

Finding the Fourth Proportional to 1,532,581.66, 2,115,028.31 and 853,518.16

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Solution

The fourth proportional to 1,532,581.66, 2,115,028.31 and 853,518.16 is: 1,177,891.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,581.66 : 2,115,028.31 = 853,518.16 : x
  2. Step 2: Convert to fraction form
    1,532,581.66/2,115,028.31 = 853,518.16/x
  3. Step 3: Cross multiply
    1,532,581.66x = 2,115,028.31 × 853,518.16
  4. Step 4: Simplify right side
    1,532,581.66x = 1,805,215,078,224.34
  5. Step 5: Solve for x
    x = 1,805,215,078,224.34/1,532,581.66
  6. Step 6: Final answer
    x = 1,177,891.61

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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.