Home / 1,331,990.82-1,838,315.67-873,491.13

Finding the Fourth Proportional to 1,331,990.82, 1,838,315.67 and 873,491.13

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Solution

The fourth proportional to 1,331,990.82, 1,838,315.67 and 873,491.13 is: 1,205,528.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,990.82 : 1,838,315.67 = 873,491.13 : x
  2. Step 2: Convert to fraction form
    1,331,990.82/1,838,315.67 = 873,491.13/x
  3. Step 3: Cross multiply
    1,331,990.82x = 1,838,315.67 × 873,491.13
  4. Step 4: Simplify right side
    1,331,990.82x = 1,605,752,431,885.01
  5. Step 5: Solve for x
    x = 1,605,752,431,885.01/1,331,990.82
  6. Step 6: Final answer
    x = 1,205,528.15

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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.