Home / 597,986.19-825,420.90-356,344.56

Finding the Fourth Proportional to 597,986.19, 825,420.90 and 356,344.56

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Solution

The fourth proportional to 597,986.19, 825,420.90 and 356,344.56 is: 491,874.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,986.19 : 825,420.90 = 356,344.56 : x
  2. Step 2: Convert to fraction form
    597,986.19/825,420.90 = 356,344.56/x
  3. Step 3: Cross multiply
    597,986.19x = 825,420.90 × 356,344.56
  4. Step 4: Simplify right side
    597,986.19x = 294,134,247,425.30
  5. Step 5: Solve for x
    x = 294,134,247,425.30/597,986.19
  6. Step 6: Final answer
    x = 491,874.65

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Double scale
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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.