Home / 439,867.18-607,014.57-238,663.18

Finding the Fourth Proportional to 439,867.18, 607,014.57 and 238,663.18

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Solution

The fourth proportional to 439,867.18, 607,014.57 and 238,663.18 is: 329,354.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,867.18 : 607,014.57 = 238,663.18 : x
  2. Step 2: Convert to fraction form
    439,867.18/607,014.57 = 238,663.18/x
  3. Step 3: Cross multiply
    439,867.18x = 607,014.57 × 238,663.18
  4. Step 4: Simplify right side
    439,867.18x = 144,872,027,582.53
  5. Step 5: Solve for x
    x = 144,872,027,582.53/439,867.18
  6. Step 6: Final answer
    x = 329,354.03

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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.