Home / 465,176.60-642,013.13-283,993.56

Finding the Fourth Proportional to 465,176.60, 642,013.13 and 283,993.56

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Solution

The fourth proportional to 465,176.60, 642,013.13 and 283,993.56 is: 391,953.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,176.60 : 642,013.13 = 283,993.56 : x
  2. Step 2: Convert to fraction form
    465,176.60/642,013.13 = 283,993.56/x
  3. Step 3: Cross multiply
    465,176.60x = 642,013.13 × 283,993.56
  4. Step 4: Simplify right side
    465,176.60x = 182,327,592,935.48
  5. Step 5: Solve for x
    x = 182,327,592,935.48/465,176.60
  6. Step 6: Final answer
    x = 391,953.50

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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.