Home / 428,831.07-591,771.81-237,862.23

Finding the Fourth Proportional to 428,831.07, 591,771.81 and 237,862.23

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Solution

The fourth proportional to 428,831.07, 591,771.81 and 237,862.23 is: 328,241.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,831.07 : 591,771.81 = 237,862.23 : x
  2. Step 2: Convert to fraction form
    428,831.07/591,771.81 = 237,862.23/x
  3. Step 3: Cross multiply
    428,831.07x = 591,771.81 × 237,862.23
  4. Step 4: Simplify right side
    428,831.07x = 140,760,162,377.74
  5. Step 5: Solve for x
    x = 140,760,162,377.74/428,831.07
  6. Step 6: Final answer
    x = 328,241.52

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1.5x scale

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.