Home / 1,098,833.98-1,645,297.92-697,300.78

Finding the Fourth Proportional to 1,098,833.98, 1,645,297.92 and 697,300.78

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Solution

The fourth proportional to 1,098,833.98, 1,645,297.92 and 697,300.78 is: 1,044,077.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,833.98 : 1,645,297.92 = 697,300.78 : x
  2. Step 2: Convert to fraction form
    1,098,833.98/1,645,297.92 = 697,300.78/x
  3. Step 3: Cross multiply
    1,098,833.98x = 1,645,297.92 × 697,300.78
  4. Step 4: Simplify right side
    1,098,833.98x = 1,147,267,522,948.38
  5. Step 5: Solve for x
    x = 1,147,267,522,948.38/1,098,833.98
  6. Step 6: Final answer
    x = 1,044,077.22

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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.