Home / 522,917.74-721,617.51-293,480.38

Finding the Fourth Proportional to 522,917.74, 721,617.51 and 293,480.38

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Solution

The fourth proportional to 522,917.74, 721,617.51 and 293,480.38 is: 404,997.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,917.74 : 721,617.51 = 293,480.38 : x
  2. Step 2: Convert to fraction form
    522,917.74/721,617.51 = 293,480.38/x
  3. Step 3: Cross multiply
    522,917.74x = 721,617.51 × 293,480.38
  4. Step 4: Simplify right side
    522,917.74x = 211,780,581,049.45
  5. Step 5: Solve for x
    x = 211,780,581,049.45/522,917.74
  6. Step 6: Final answer
    x = 404,997.89

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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.