Home / 447,422.52-617,435.10-243,466.50

Finding the Fourth Proportional to 447,422.52, 617,435.10 and 243,466.50

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Solution

The fourth proportional to 447,422.52, 617,435.10 and 243,466.50 is: 335,979.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,422.52 : 617,435.10 = 243,466.50 : x
  2. Step 2: Convert to fraction form
    447,422.52/617,435.10 = 243,466.50/x
  3. Step 3: Cross multiply
    447,422.52x = 617,435.10 × 243,466.50
  4. Step 4: Simplify right side
    447,422.52x = 150,324,762,774.15
  5. Step 5: Solve for x
    x = 150,324,762,774.15/447,422.52
  6. Step 6: Final answer
    x = 335,979.43

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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.