Home / 447,062.17-616,961.98-256,112.47

Finding the Fourth Proportional to 447,062.17, 616,961.98 and 256,112.47

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Solution

The fourth proportional to 447,062.17, 616,961.98 and 256,112.47 is: 353,444.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,062.17 : 616,961.98 = 256,112.47 : x
  2. Step 2: Convert to fraction form
    447,062.17/616,961.98 = 256,112.47/x
  3. Step 3: Cross multiply
    447,062.17x = 616,961.98 × 256,112.47
  4. Step 4: Simplify right side
    447,062.17x = 158,011,656,593.89
  5. Step 5: Solve for x
    x = 158,011,656,593.89/447,062.17
  6. Step 6: Final answer
    x = 353,444.48

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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.