Home / 765,719.64-1,148,743.56-233,283.56

Finding the Fourth Proportional to 765,719.64, 1,148,743.56 and 233,283.56

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Solution

The fourth proportional to 765,719.64, 1,148,743.56 and 233,283.56 is: 349,975.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,719.64 : 1,148,743.56 = 233,283.56 : x
  2. Step 2: Convert to fraction form
    765,719.64/1,148,743.56 = 233,283.56/x
  3. Step 3: Cross multiply
    765,719.64x = 1,148,743.56 × 233,283.56
  4. Step 4: Simplify right side
    765,719.64x = 267,982,987,203.87
  5. Step 5: Solve for x
    x = 267,982,987,203.87/765,719.64
  6. Step 6: Final answer
    x = 349,975.33

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Double scale
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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.