Home / 447,949.32-618,148.23-254,331.66

Finding the Fourth Proportional to 447,949.32, 618,148.23 and 254,331.66

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Solution

The fourth proportional to 447,949.32, 618,148.23 and 254,331.66 is: 350,965.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,949.32 : 618,148.23 = 254,331.66 : x
  2. Step 2: Convert to fraction form
    447,949.32/618,148.23 = 254,331.66/x
  3. Step 3: Cross multiply
    447,949.32x = 618,148.23 × 254,331.66
  4. Step 4: Simplify right side
    447,949.32x = 157,214,666,826.27
  5. Step 5: Solve for x
    x = 157,214,666,826.27/447,949.32
  6. Step 6: Final answer
    x = 350,965.30

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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.