Home / 428,941.58-591,939.90-237,954.96

Finding the Fourth Proportional to 428,941.58, 591,939.90 and 237,954.96

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Solution

The fourth proportional to 428,941.58, 591,939.90 and 237,954.96 is: 328,378.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,941.58 : 591,939.90 = 237,954.96 : x
  2. Step 2: Convert to fraction form
    428,941.58/591,939.90 = 237,954.96/x
  3. Step 3: Cross multiply
    428,941.58x = 591,939.90 × 237,954.96
  4. Step 4: Simplify right side
    428,941.58x = 140,855,035,226.90
  5. Step 5: Solve for x
    x = 140,855,035,226.90/428,941.58
  6. Step 6: Final answer
    x = 328,378.14

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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.