Home / 439,118.76-605,983.68-237,914.76

Finding the Fourth Proportional to 439,118.76, 605,983.68 and 237,914.76

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Solution

The fourth proportional to 439,118.76, 605,983.68 and 237,914.76 is: 328,322.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,118.76 : 605,983.68 = 237,914.76 : x
  2. Step 2: Convert to fraction form
    439,118.76/605,983.68 = 237,914.76/x
  3. Step 3: Cross multiply
    439,118.76x = 605,983.68 × 237,914.76
  4. Step 4: Simplify right side
    439,118.76x = 144,172,461,791.12
  5. Step 5: Solve for x
    x = 144,172,461,791.12/439,118.76
  6. Step 6: Final answer
    x = 328,322.26

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Double scale
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Similar ratio
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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.