Home / 653,723.28-902,161.25-363,340.64

Finding the Fourth Proportional to 653,723.28, 902,161.25 and 363,340.64

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Solution

The fourth proportional to 653,723.28, 902,161.25 and 363,340.64 is: 501,422.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,723.28 : 902,161.25 = 363,340.64 : x
  2. Step 2: Convert to fraction form
    653,723.28/902,161.25 = 363,340.64/x
  3. Step 3: Cross multiply
    653,723.28x = 902,161.25 × 363,340.64
  4. Step 4: Simplify right side
    653,723.28x = 327,791,845,958.20
  5. Step 5: Solve for x
    x = 327,791,845,958.20/653,723.28
  6. Step 6: Final answer
    x = 501,422.94

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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.