Home / 428,831.44-591,400.14-267,701.44

Finding the Fourth Proportional to 428,831.44, 591,400.14 and 267,701.44

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Solution

The fourth proportional to 428,831.44, 591,400.14 and 267,701.44 is: 369,186.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,831.44 : 591,400.14 = 267,701.44 : x
  2. Step 2: Convert to fraction form
    428,831.44/591,400.14 = 267,701.44/x
  3. Step 3: Cross multiply
    428,831.44x = 591,400.14 × 267,701.44
  4. Step 4: Simplify right side
    428,831.44x = 158,318,669,094.20
  5. Step 5: Solve for x
    x = 158,318,669,094.20/428,831.44
  6. Step 6: Final answer
    x = 369,186.25

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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.