Home / 1,532,584.20-2,115,031.81-853,520.70

Finding the Fourth Proportional to 1,532,584.20, 2,115,031.81 and 853,520.70

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Solution

The fourth proportional to 1,532,584.20, 2,115,031.81 and 853,520.70 is: 1,177,895.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,584.20 : 2,115,031.81 = 853,520.70 : x
  2. Step 2: Convert to fraction form
    1,532,584.20/2,115,031.81 = 853,520.70/x
  3. Step 3: Cross multiply
    1,532,584.20x = 2,115,031.81 × 853,520.70
  4. Step 4: Simplify right side
    1,532,584.20x = 1,805,223,430,993.47
  5. Step 5: Solve for x
    x = 1,805,223,430,993.47/1,532,584.20
  6. Step 6: Final answer
    x = 1,177,895.11

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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.