Home / 439,943.61-607,122.17-238,739.61

Finding the Fourth Proportional to 439,943.61, 607,122.17 and 238,739.61

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Solution

The fourth proportional to 439,943.61, 607,122.17 and 238,739.61 is: 329,460.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,943.61 : 607,122.17 = 238,739.61 : x
  2. Step 2: Convert to fraction form
    439,943.61/607,122.17 = 238,739.61/x
  3. Step 3: Cross multiply
    439,943.61x = 607,122.17 × 238,739.61
  4. Step 4: Simplify right side
    439,943.61x = 144,944,110,685.00
  5. Step 5: Solve for x
    x = 144,944,110,685.00/439,943.61
  6. Step 6: Final answer
    x = 329,460.66

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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.