Home / 447,281.46-617,232.60-243,326.70

Finding the Fourth Proportional to 447,281.46, 617,232.60 and 243,326.70

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Solution

The fourth proportional to 447,281.46, 617,232.60 and 243,326.70 is: 335,782.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,281.46 : 617,232.60 = 243,326.70 : x
  2. Step 2: Convert to fraction form
    447,281.46/617,232.60 = 243,326.70/x
  3. Step 3: Cross multiply
    447,281.46x = 617,232.60 × 243,326.70
  4. Step 4: Simplify right side
    447,281.46x = 150,189,171,690.42
  5. Step 5: Solve for x
    x = 150,189,171,690.42/447,281.46
  6. Step 6: Final answer
    x = 335,782.24

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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.