Home / 412,646.06-619,147.26-223,239.84

Finding the Fourth Proportional to 412,646.06, 619,147.26 and 223,239.84

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Solution

The fourth proportional to 412,646.06, 619,147.26 and 223,239.84 is: 334,956.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,646.06 : 619,147.26 = 223,239.84 : x
  2. Step 2: Convert to fraction form
    412,646.06/619,147.26 = 223,239.84/x
  3. Step 3: Cross multiply
    412,646.06x = 619,147.26 × 223,239.84
  4. Step 4: Simplify right side
    412,646.06x = 138,218,335,258.84
  5. Step 5: Solve for x
    x = 138,218,335,258.84/412,646.06
  6. Step 6: Final answer
    x = 334,956.15

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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.