Home / 1,227,740.30-1,838,500.05-978,908.30

Finding the Fourth Proportional to 1,227,740.30, 1,838,500.05 and 978,908.30

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Solution

The fourth proportional to 1,227,740.30, 1,838,500.05 and 978,908.30 is: 1,465,882.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,740.30 : 1,838,500.05 = 978,908.30 : x
  2. Step 2: Convert to fraction form
    1,227,740.30/1,838,500.05 = 978,908.30/x
  3. Step 3: Cross multiply
    1,227,740.30x = 1,838,500.05 × 978,908.30
  4. Step 4: Simplify right side
    1,227,740.30x = 1,799,722,958,495.42
  5. Step 5: Solve for x
    x = 1,799,722,958,495.42/1,227,740.30
  6. Step 6: Final answer
    x = 1,465,882.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.