Home / 1,267,436.26-1,891,934.76-1,173,769.78

Finding the Fourth Proportional to 1,267,436.26, 1,891,934.76 and 1,173,769.78

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Solution

The fourth proportional to 1,267,436.26, 1,891,934.76 and 1,173,769.78 is: 1,752,116.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,436.26 : 1,891,934.76 = 1,173,769.78 : x
  2. Step 2: Convert to fraction form
    1,267,436.26/1,891,934.76 = 1,173,769.78/x
  3. Step 3: Cross multiply
    1,267,436.26x = 1,891,934.76 × 1,173,769.78
  4. Step 4: Simplify right side
    1,267,436.26x = 2,220,695,847,019.55
  5. Step 5: Solve for x
    x = 2,220,695,847,019.55/1,267,436.26
  6. Step 6: Final answer
    x = 1,752,116.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.