Home / 448,464.60-672,362.10-270,934.20

Finding the Fourth Proportional to 448,464.60, 672,362.10 and 270,934.20

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Solution

The fourth proportional to 448,464.60, 672,362.10 and 270,934.20 is: 406,199.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,464.60 : 672,362.10 = 270,934.20 : x
  2. Step 2: Convert to fraction form
    448,464.60/672,362.10 = 270,934.20/x
  3. Step 3: Cross multiply
    448,464.60x = 672,362.10 × 270,934.20
  4. Step 4: Simplify right side
    448,464.60x = 182,165,887,673.82
  5. Step 5: Solve for x
    x = 182,165,887,673.82/448,464.60
  6. Step 6: Final answer
    x = 406,199.03

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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.