Home / 1,943,424.30-2,912,998.05-680,601.90

Finding the Fourth Proportional to 1,943,424.30, 2,912,998.05 and 680,601.90

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Solution

The fourth proportional to 1,943,424.30, 2,912,998.05 and 680,601.90 is: 1,020,153.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,424.30 : 2,912,998.05 = 680,601.90 : x
  2. Step 2: Convert to fraction form
    1,943,424.30/2,912,998.05 = 680,601.90/x
  3. Step 3: Cross multiply
    1,943,424.30x = 2,912,998.05 × 680,601.90
  4. Step 4: Simplify right side
    1,943,424.30x = 1,982,592,007,526.30
  5. Step 5: Solve for x
    x = 1,982,592,007,526.30/1,943,424.30
  6. Step 6: Final answer
    x = 1,020,153.97

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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.