Home / 439,923.43-607,092.19-238,719.43

Finding the Fourth Proportional to 439,923.43, 607,092.19 and 238,719.43

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Solution

The fourth proportional to 439,923.43, 607,092.19 and 238,719.43 is: 329,431.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,923.43 : 607,092.19 = 238,719.43 : x
  2. Step 2: Convert to fraction form
    439,923.43/607,092.19 = 238,719.43/x
  3. Step 3: Cross multiply
    439,923.43x = 607,092.19 × 238,719.43
  4. Step 4: Simplify right side
    439,923.43x = 144,924,701,554.25
  5. Step 5: Solve for x
    x = 144,924,701,554.25/439,923.43
  6. Step 6: Final answer
    x = 329,431.65

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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.