Home / 428,928.04-591,940.14-237,941.68

Finding the Fourth Proportional to 428,928.04, 591,940.14 and 237,941.68

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Solution

The fourth proportional to 428,928.04, 591,940.14 and 237,941.68 is: 328,370.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,928.04 : 591,940.14 = 237,941.68 : x
  2. Step 2: Convert to fraction form
    428,928.04/591,940.14 = 237,941.68/x
  3. Step 3: Cross multiply
    428,928.04x = 591,940.14 × 237,941.68
  4. Step 4: Simplify right side
    428,928.04x = 140,847,231,371.04
  5. Step 5: Solve for x
    x = 140,847,231,371.04/428,928.04
  6. Step 6: Final answer
    x = 328,370.31

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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.