Home / 448,273.60-672,847.80-223,887.40

Finding the Fourth Proportional to 448,273.60, 672,847.80 and 223,887.40

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Solution

The fourth proportional to 448,273.60, 672,847.80 and 223,887.40 is: 336,049.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,273.60 : 672,847.80 = 223,887.40 : x
  2. Step 2: Convert to fraction form
    448,273.60/672,847.80 = 223,887.40/x
  3. Step 3: Cross multiply
    448,273.60x = 672,847.80 × 223,887.40
  4. Step 4: Simplify right side
    448,273.60x = 150,642,144,537.72
  5. Step 5: Solve for x
    x = 150,642,144,537.72/448,273.60
  6. Step 6: Final answer
    x = 336,049.56

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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.