Home / 428,665.64-591,592.02-237,716.24

Finding the Fourth Proportional to 428,665.64, 591,592.02 and 237,716.24

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Solution

The fourth proportional to 428,665.64, 591,592.02 and 237,716.24 is: 328,066.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,665.64 : 591,592.02 = 237,716.24 : x
  2. Step 2: Convert to fraction form
    428,665.64/591,592.02 = 237,716.24/x
  3. Step 3: Cross multiply
    428,665.64x = 591,592.02 × 237,716.24
  4. Step 4: Simplify right side
    428,665.64x = 140,631,030,608.41
  5. Step 5: Solve for x
    x = 140,631,030,608.41/428,665.64
  6. Step 6: Final answer
    x = 328,066.95

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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.