Home / 465,171.28-642,036.42-283,844.38

Finding the Fourth Proportional to 465,171.28, 642,036.42 and 283,844.38

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Solution

The fourth proportional to 465,171.28, 642,036.42 and 283,844.38 is: 391,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,171.28 : 642,036.42 = 283,844.38 : x
  2. Step 2: Convert to fraction form
    465,171.28/642,036.42 = 283,844.38/x
  3. Step 3: Cross multiply
    465,171.28x = 642,036.42 × 283,844.38
  4. Step 4: Simplify right side
    465,171.28x = 182,238,429,572.32
  5. Step 5: Solve for x
    x = 182,238,429,572.32/465,171.28
  6. Step 6: Final answer
    x = 391,766.30

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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.