Home / 1,222,882.50-1,687,545.42-679,004.30

Finding the Fourth Proportional to 1,222,882.50, 1,687,545.42 and 679,004.30

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Solution

The fourth proportional to 1,222,882.50, 1,687,545.42 and 679,004.30 is: 937,007.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,882.50 : 1,687,545.42 = 679,004.30 : x
  2. Step 2: Convert to fraction form
    1,222,882.50/1,687,545.42 = 679,004.30/x
  3. Step 3: Cross multiply
    1,222,882.50x = 1,687,545.42 × 679,004.30
  4. Step 4: Simplify right side
    1,222,882.50x = 1,145,850,598,297.90
  5. Step 5: Solve for x
    x = 1,145,850,598,297.90/1,222,882.50
  6. Step 6: Final answer
    x = 937,007.93

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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.