Home / 448,832.56-619,613.40-279,121.36

Finding the Fourth Proportional to 448,832.56, 619,613.40 and 279,121.36

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Solution

The fourth proportional to 448,832.56, 619,613.40 and 279,121.36 is: 385,327.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,832.56 : 619,613.40 = 279,121.36 : x
  2. Step 2: Convert to fraction form
    448,832.56/619,613.40 = 279,121.36/x
  3. Step 3: Cross multiply
    448,832.56x = 619,613.40 × 279,121.36
  4. Step 4: Simplify right side
    448,832.56x = 172,947,334,882.22
  5. Step 5: Solve for x
    x = 172,947,334,882.22/448,832.56
  6. Step 6: Final answer
    x = 385,327.07

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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.