Home / 1,532,579.38-2,115,025.15-853,515.88

Finding the Fourth Proportional to 1,532,579.38, 2,115,025.15 and 853,515.88

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Solution

The fourth proportional to 1,532,579.38, 2,115,025.15 and 853,515.88 is: 1,177,888.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,579.38 : 2,115,025.15 = 853,515.88 : x
  2. Step 2: Convert to fraction form
    1,532,579.38/2,115,025.15 = 853,515.88/x
  3. Step 3: Cross multiply
    1,532,579.38x = 2,115,025.15 × 853,515.88
  4. Step 4: Simplify right side
    1,532,579.38x = 1,805,207,552,124.38
  5. Step 5: Solve for x
    x = 1,805,207,552,124.38/1,532,579.38
  6. Step 6: Final answer
    x = 1,177,888.45

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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.