Home / 465,176.28-642,012.70-283,993.24

Finding the Fourth Proportional to 465,176.28, 642,012.70 and 283,993.24

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Solution

The fourth proportional to 465,176.28, 642,012.70 and 283,993.24 is: 391,953.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,176.28 : 642,012.70 = 283,993.24 : x
  2. Step 2: Convert to fraction form
    465,176.28/642,012.70 = 283,993.24/x
  3. Step 3: Cross multiply
    465,176.28x = 642,012.70 × 283,993.24
  4. Step 4: Simplify right side
    465,176.28x = 182,327,266,215.39
  5. Step 5: Solve for x
    x = 182,327,266,215.39/465,176.28
  6. Step 6: Final answer
    x = 391,953.06

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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.