Home / 440,101.89-607,247.25-258,747.66

Finding the Fourth Proportional to 440,101.89, 607,247.25 and 258,747.66

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Solution

The fourth proportional to 440,101.89, 607,247.25 and 258,747.66 is: 357,016.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,101.89 : 607,247.25 = 258,747.66 : x
  2. Step 2: Convert to fraction form
    440,101.89/607,247.25 = 258,747.66/x
  3. Step 3: Cross multiply
    440,101.89x = 607,247.25 × 258,747.66
  4. Step 4: Simplify right side
    440,101.89x = 157,123,804,978.94
  5. Step 5: Solve for x
    x = 157,123,804,978.94/440,101.89
  6. Step 6: Final answer
    x = 357,016.88

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1.5x scale

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.