Home / 439,974.18-607,164.36-238,770.18

Finding the Fourth Proportional to 439,974.18, 607,164.36 and 238,770.18

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Solution

The fourth proportional to 439,974.18, 607,164.36 and 238,770.18 is: 329,502.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,974.18 : 607,164.36 = 238,770.18 : x
  2. Step 2: Convert to fraction form
    439,974.18/607,164.36 = 238,770.18/x
  3. Step 3: Cross multiply
    439,974.18x = 607,164.36 × 238,770.18
  4. Step 4: Simplify right side
    439,974.18x = 144,972,743,526.79
  5. Step 5: Solve for x
    x = 144,972,743,526.79/439,974.18
  6. Step 6: Final answer
    x = 329,502.84

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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.