Home / 765,621.37-1,148,598.11-233,128.45

Finding the Fourth Proportional to 765,621.37, 1,148,598.11 and 233,128.45

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Solution

The fourth proportional to 765,621.37, 1,148,598.11 and 233,128.45 is: 349,743.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,621.37 : 1,148,598.11 = 233,128.45 : x
  2. Step 2: Convert to fraction form
    765,621.37/1,148,598.11 = 233,128.45/x
  3. Step 3: Cross multiply
    765,621.37x = 1,148,598.11 × 233,128.45
  4. Step 4: Simplify right side
    765,621.37x = 267,770,897,057.23
  5. Step 5: Solve for x
    x = 267,770,897,057.23/765,621.37
  6. Step 6: Final answer
    x = 349,743.24

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Double scale
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Similar ratio
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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.