Home / 437,579.19-656,131.86-197,412.42

Finding the Fourth Proportional to 437,579.19, 656,131.86 and 197,412.42

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Solution

The fourth proportional to 437,579.19, 656,131.86 and 197,412.42 is: 296,011.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,579.19 : 656,131.86 = 197,412.42 : x
  2. Step 2: Convert to fraction form
    437,579.19/656,131.86 = 197,412.42/x
  3. Step 3: Cross multiply
    437,579.19x = 656,131.86 × 197,412.42
  4. Step 4: Simplify right side
    437,579.19x = 129,528,578,321.70
  5. Step 5: Solve for x
    x = 129,528,578,321.70/437,579.19
  6. Step 6: Final answer
    x = 296,011.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.