Home / 447,928.10-672,086.55-226,312.10

Finding the Fourth Proportional to 447,928.10, 672,086.55 and 226,312.10

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Solution

The fourth proportional to 447,928.10, 672,086.55 and 226,312.10 is: 339,566.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,928.10 : 672,086.55 = 226,312.10 : x
  2. Step 2: Convert to fraction form
    447,928.10/672,086.55 = 226,312.10/x
  3. Step 3: Cross multiply
    447,928.10x = 672,086.55 × 226,312.10
  4. Step 4: Simplify right side
    447,928.10x = 152,101,318,512.26
  5. Step 5: Solve for x
    x = 152,101,318,512.26/447,928.10
  6. Step 6: Final answer
    x = 339,566.37

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1.5x scale

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.