Home / 1,685,086.80-2,527,630.20-1,517,125.20

Finding the Fourth Proportional to 1,685,086.80, 2,527,630.20 and 1,517,125.20

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Solution

The fourth proportional to 1,685,086.80, 2,527,630.20 and 1,517,125.20 is: 2,275,687.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,086.80 : 2,527,630.20 = 1,517,125.20 : x
  2. Step 2: Convert to fraction form
    1,685,086.80/2,527,630.20 = 1,517,125.20/x
  3. Step 3: Cross multiply
    1,685,086.80x = 2,527,630.20 × 1,517,125.20
  4. Step 4: Simplify right side
    1,685,086.80x = 3,834,731,472,701.04
  5. Step 5: Solve for x
    x = 3,834,731,472,701.04/1,685,086.80
  6. Step 6: Final answer
    x = 2,275,687.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.