Home / 428,317.66-591,081.87-237,334.24

Finding the Fourth Proportional to 428,317.66, 591,081.87 and 237,334.24

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Solution

The fourth proportional to 428,317.66, 591,081.87 and 237,334.24 is: 327,523.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,317.66 : 591,081.87 = 237,334.24 : x
  2. Step 2: Convert to fraction form
    428,317.66/591,081.87 = 237,334.24/x
  3. Step 3: Cross multiply
    428,317.66x = 591,081.87 × 237,334.24
  4. Step 4: Simplify right side
    428,317.66x = 140,283,966,394.23
  5. Step 5: Solve for x
    x = 140,283,966,394.23/428,317.66
  6. Step 6: Final answer
    x = 327,523.19

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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.