Home / 1,432,095.46-1,976,306.25-787,520.41

Finding the Fourth Proportional to 1,432,095.46, 1,976,306.25 and 787,520.41

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Solution

The fourth proportional to 1,432,095.46, 1,976,306.25 and 787,520.41 is: 1,086,786.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,095.46 : 1,976,306.25 = 787,520.41 : x
  2. Step 2: Convert to fraction form
    1,432,095.46/1,976,306.25 = 787,520.41/x
  3. Step 3: Cross multiply
    1,432,095.46x = 1,976,306.25 × 787,520.41
  4. Step 4: Simplify right side
    1,432,095.46x = 1,556,381,508,285.56
  5. Step 5: Solve for x
    x = 1,556,381,508,285.56/1,432,095.46
  6. Step 6: Final answer
    x = 1,086,786.15

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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.