Home / 419,582.22-579,012.26-238,301.79

Finding the Fourth Proportional to 419,582.22, 579,012.26 and 238,301.79

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Solution

The fourth proportional to 419,582.22, 579,012.26 and 238,301.79 is: 328,850.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,582.22 : 579,012.26 = 238,301.79 : x
  2. Step 2: Convert to fraction form
    419,582.22/579,012.26 = 238,301.79/x
  3. Step 3: Cross multiply
    419,582.22x = 579,012.26 × 238,301.79
  4. Step 4: Simplify right side
    419,582.22x = 137,979,657,989.95
  5. Step 5: Solve for x
    x = 137,979,657,989.95/419,582.22
  6. Step 6: Final answer
    x = 328,850.11

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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.