Home / 1,227,558.30-1,838,227.05-978,726.30

Finding the Fourth Proportional to 1,227,558.30, 1,838,227.05 and 978,726.30

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Solution

The fourth proportional to 1,227,558.30, 1,838,227.05 and 978,726.30 is: 1,465,609.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,558.30 : 1,838,227.05 = 978,726.30 : x
  2. Step 2: Convert to fraction form
    1,227,558.30/1,838,227.05 = 978,726.30/x
  3. Step 3: Cross multiply
    1,227,558.30x = 1,838,227.05 × 978,726.30
  4. Step 4: Simplify right side
    1,227,558.30x = 1,799,121,159,206.42
  5. Step 5: Solve for x
    x = 1,799,121,159,206.42/1,227,558.30
  6. Step 6: Final answer
    x = 1,465,609.54

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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.