Home / 447,867.09-618,047.35-243,921.59

Finding the Fourth Proportional to 447,867.09, 618,047.35 and 243,921.59

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Solution

The fourth proportional to 447,867.09, 618,047.35 and 243,921.59 is: 336,606.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,867.09 : 618,047.35 = 243,921.59 : x
  2. Step 2: Convert to fraction form
    447,867.09/618,047.35 = 243,921.59/x
  3. Step 3: Cross multiply
    447,867.09x = 618,047.35 × 243,921.59
  4. Step 4: Simplify right side
    447,867.09x = 150,755,092,307.29
  5. Step 5: Solve for x
    x = 150,755,092,307.29/447,867.09
  6. Step 6: Final answer
    x = 336,606.76

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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.