Home / 428,949.27-591,950.23-237,962.81

Finding the Fourth Proportional to 428,949.27, 591,950.23 and 237,962.81

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Solution

The fourth proportional to 428,949.27, 591,950.23 and 237,962.81 is: 328,388.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,949.27 : 591,950.23 = 237,962.81 : x
  2. Step 2: Convert to fraction form
    428,949.27/591,950.23 = 237,962.81/x
  3. Step 3: Cross multiply
    428,949.27x = 591,950.23 × 237,962.81
  4. Step 4: Simplify right side
    428,949.27x = 140,862,140,995.92
  5. Step 5: Solve for x
    x = 140,862,140,995.92/428,949.27
  6. Step 6: Final answer
    x = 328,388.81

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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.