Home / 439,766.16-606,878.47-238,562.16

Finding the Fourth Proportional to 439,766.16, 606,878.47 and 238,562.16

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Solution

The fourth proportional to 439,766.16, 606,878.47 and 238,562.16 is: 329,216.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,766.16 : 606,878.47 = 238,562.16 : x
  2. Step 2: Convert to fraction form
    439,766.16/606,878.47 = 238,562.16/x
  3. Step 3: Cross multiply
    439,766.16x = 606,878.47 × 238,562.16
  4. Step 4: Simplify right side
    439,766.16x = 144,778,238,660.70
  5. Step 5: Solve for x
    x = 144,778,238,660.70/439,766.16
  6. Step 6: Final answer
    x = 329,216.42

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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.