Home / 1,253,510.45-1,879,718.15-443,625.71

Finding the Fourth Proportional to 1,253,510.45, 1,879,718.15 and 443,625.71

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Solution

The fourth proportional to 1,253,510.45, 1,879,718.15 and 443,625.71 is: 665,244.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,510.45 : 1,879,718.15 = 443,625.71 : x
  2. Step 2: Convert to fraction form
    1,253,510.45/1,879,718.15 = 443,625.71/x
  3. Step 3: Cross multiply
    1,253,510.45x = 1,879,718.15 × 443,625.71
  4. Step 4: Simplify right side
    1,253,510.45x = 833,891,290,604.11
  5. Step 5: Solve for x
    x = 833,891,290,604.11/1,253,510.45
  6. Step 6: Final answer
    x = 665,244.78

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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.