Home / 447,895.44-618,100.92-256,926.60

Finding the Fourth Proportional to 447,895.44, 618,100.92 and 256,926.60

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Solution

The fourth proportional to 447,895.44, 618,100.92 and 256,926.60 is: 354,561.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,895.44 : 618,100.92 = 256,926.60 : x
  2. Step 2: Convert to fraction form
    447,895.44/618,100.92 = 256,926.60/x
  3. Step 3: Cross multiply
    447,895.44x = 618,100.92 × 256,926.60
  4. Step 4: Simplify right side
    447,895.44x = 158,806,567,832.47
  5. Step 5: Solve for x
    x = 158,806,567,832.47/447,895.44
  6. Step 6: Final answer
    x = 354,561.70

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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.