Home / 439,146.82-606,023.72-245,561.56

Finding the Fourth Proportional to 439,146.82, 606,023.72 and 245,561.56

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Solution

The fourth proportional to 439,146.82, 606,023.72 and 245,561.56 is: 338,875.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,146.82 : 606,023.72 = 245,561.56 : x
  2. Step 2: Convert to fraction form
    439,146.82/606,023.72 = 245,561.56/x
  3. Step 3: Cross multiply
    439,146.82x = 606,023.72 × 245,561.56
  4. Step 4: Simplify right side
    439,146.82x = 148,816,129,639.48
  5. Step 5: Solve for x
    x = 148,816,129,639.48/439,146.82
  6. Step 6: Final answer
    x = 338,875.57

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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.