Home / 400,514.24-552,688.25-219,191.10

Finding the Fourth Proportional to 400,514.24, 552,688.25 and 219,191.10

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Solution

The fourth proportional to 400,514.24, 552,688.25 and 219,191.10 is: 302,472.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,514.24 : 552,688.25 = 219,191.10 : x
  2. Step 2: Convert to fraction form
    400,514.24/552,688.25 = 219,191.10/x
  3. Step 3: Cross multiply
    400,514.24x = 552,688.25 × 219,191.10
  4. Step 4: Simplify right side
    400,514.24x = 121,144,344,378.62
  5. Step 5: Solve for x
    x = 121,144,344,378.62/400,514.24
  6. Step 6: Final answer
    x = 302,472.01

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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.