Home / 1,623,545.91-2,240,729.91-935,083.78

Finding the Fourth Proportional to 1,623,545.91, 2,240,729.91 and 935,083.78

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Solution

The fourth proportional to 1,623,545.91, 2,240,729.91 and 935,083.78 is: 1,290,551.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,545.91 : 2,240,729.91 = 935,083.78 : x
  2. Step 2: Convert to fraction form
    1,623,545.91/2,240,729.91 = 935,083.78/x
  3. Step 3: Cross multiply
    1,623,545.91x = 2,240,729.91 × 935,083.78
  4. Step 4: Simplify right side
    1,623,545.91x = 2,095,270,188,600.04
  5. Step 5: Solve for x
    x = 2,095,270,188,600.04/1,623,545.91
  6. Step 6: Final answer
    x = 1,290,551.86

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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.