Home / 1,398,829.01-2,098,243.39-387,950.95

Finding the Fourth Proportional to 1,398,829.01, 2,098,243.39 and 387,950.95

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Solution

The fourth proportional to 1,398,829.01, 2,098,243.39 and 387,950.95 is: 581,926.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,829.01 : 2,098,243.39 = 387,950.95 : x
  2. Step 2: Convert to fraction form
    1,398,829.01/2,098,243.39 = 387,950.95/x
  3. Step 3: Cross multiply
    1,398,829.01x = 2,098,243.39 × 387,950.95
  4. Step 4: Simplify right side
    1,398,829.01x = 814,015,511,721.05
  5. Step 5: Solve for x
    x = 814,015,511,721.05/1,398,829.01
  6. Step 6: Final answer
    x = 581,926.39

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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.