Home / 447,081.20-616,820.96-253,468.16

Finding the Fourth Proportional to 447,081.20, 616,820.96 and 253,468.16

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Solution

The fourth proportional to 447,081.20, 616,820.96 and 253,468.16 is: 349,700.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,081.20 : 616,820.96 = 253,468.16 : x
  2. Step 2: Convert to fraction form
    447,081.20/616,820.96 = 253,468.16/x
  3. Step 3: Cross multiply
    447,081.20x = 616,820.96 × 253,468.16
  4. Step 4: Simplify right side
    447,081.20x = 156,344,473,780.63
  5. Step 5: Solve for x
    x = 156,344,473,780.63/447,081.20
  6. Step 6: Final answer
    x = 349,700.40

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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.