Home / 447,029.84-616,887.68-243,081.20

Finding the Fourth Proportional to 447,029.84, 616,887.68 and 243,081.20

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Solution

The fourth proportional to 447,029.84, 616,887.68 and 243,081.20 is: 335,444.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,029.84 : 616,887.68 = 243,081.20 : x
  2. Step 2: Convert to fraction form
    447,029.84/616,887.68 = 243,081.20/x
  3. Step 3: Cross multiply
    447,029.84x = 616,887.68 × 243,081.20
  4. Step 4: Simplify right side
    447,029.84x = 149,953,797,519.62
  5. Step 5: Solve for x
    x = 149,953,797,519.62/447,029.84
  6. Step 6: Final answer
    x = 335,444.72

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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.