Home / 1,449,859.88-2,000,750.91-805,321.13

Finding the Fourth Proportional to 1,449,859.88, 2,000,750.91 and 805,321.13

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Solution

The fourth proportional to 1,449,859.88, 2,000,750.91 and 805,321.13 is: 1,111,312.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,859.88 : 2,000,750.91 = 805,321.13 : x
  2. Step 2: Convert to fraction form
    1,449,859.88/2,000,750.91 = 805,321.13/x
  3. Step 3: Cross multiply
    1,449,859.88x = 2,000,750.91 × 805,321.13
  4. Step 4: Simplify right side
    1,449,859.88x = 1,611,246,983,689.73
  5. Step 5: Solve for x
    x = 1,611,246,983,689.73/1,449,859.88
  6. Step 6: Final answer
    x = 1,111,312.21

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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.