Home / 765,634.40-1,148,696.40-233,256.80

Finding the Fourth Proportional to 765,634.40, 1,148,696.40 and 233,256.80

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Solution

The fourth proportional to 765,634.40, 1,148,696.40 and 233,256.80 is: 349,959.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,634.40 : 1,148,696.40 = 233,256.80 : x
  2. Step 2: Convert to fraction form
    765,634.40/1,148,696.40 = 233,256.80/x
  3. Step 3: Cross multiply
    765,634.40x = 1,148,696.40 × 233,256.80
  4. Step 4: Simplify right side
    765,634.40x = 267,941,246,435.52
  5. Step 5: Solve for x
    x = 267,941,246,435.52/765,634.40
  6. Step 6: Final answer
    x = 349,959.78

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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.