Home / 439,214.58-606,116.45-238,010.58

Finding the Fourth Proportional to 439,214.58, 606,116.45 and 238,010.58

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Solution

The fourth proportional to 439,214.58, 606,116.45 and 238,010.58 is: 328,454.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,214.58 : 606,116.45 = 238,010.58 : x
  2. Step 2: Convert to fraction form
    439,214.58/606,116.45 = 238,010.58/x
  3. Step 3: Cross multiply
    439,214.58x = 606,116.45 × 238,010.58
  4. Step 4: Simplify right side
    439,214.58x = 144,262,127,812.04
  5. Step 5: Solve for x
    x = 144,262,127,812.04/439,214.58
  6. Step 6: Final answer
    x = 328,454.78

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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.