Home / 765,635.40-1,148,619.18-233,142.48

Finding the Fourth Proportional to 765,635.40, 1,148,619.18 and 233,142.48

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Solution

The fourth proportional to 765,635.40, 1,148,619.18 and 233,142.48 is: 349,764.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,635.40 : 1,148,619.18 = 233,142.48 : x
  2. Step 2: Convert to fraction form
    765,635.40/1,148,619.18 = 233,142.48/x
  3. Step 3: Cross multiply
    765,635.40x = 1,148,619.18 × 233,142.48
  4. Step 4: Simplify right side
    765,635.40x = 267,791,924,200.77
  5. Step 5: Solve for x
    x = 267,791,924,200.77/765,635.40
  6. Step 6: Final answer
    x = 349,764.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.