Home / 408,899.80-563,068.44-293,976.20

Finding the Fourth Proportional to 408,899.80, 563,068.44 and 293,976.20

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Solution

The fourth proportional to 408,899.80, 563,068.44 and 293,976.20 is: 404,814.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,899.80 : 563,068.44 = 293,976.20 : x
  2. Step 2: Convert to fraction form
    408,899.80/563,068.44 = 293,976.20/x
  3. Step 3: Cross multiply
    408,899.80x = 563,068.44 × 293,976.20
  4. Step 4: Simplify right side
    408,899.80x = 165,528,720,331.13
  5. Step 5: Solve for x
    x = 165,528,720,331.13/408,899.80
  6. Step 6: Final answer
    x = 404,814.87

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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.