Home / 1,532,581.81-2,115,028.51-853,518.31

Finding the Fourth Proportional to 1,532,581.81, 2,115,028.51 and 853,518.31

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Solution

The fourth proportional to 1,532,581.81, 2,115,028.51 and 853,518.31 is: 1,177,891.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,581.81 : 2,115,028.51 = 853,518.31 : x
  2. Step 2: Convert to fraction form
    1,532,581.81/2,115,028.51 = 853,518.31/x
  3. Step 3: Cross multiply
    1,532,581.81x = 2,115,028.51 × 853,518.31
  4. Step 4: Simplify right side
    1,532,581.81x = 1,805,215,552,035.65
  5. Step 5: Solve for x
    x = 1,805,215,552,035.65/1,532,581.81
  6. Step 6: Final answer
    x = 1,177,891.81

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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.