Home / 694,139.52-957,983.20-422,226.16

Finding the Fourth Proportional to 694,139.52, 957,983.20 and 422,226.16

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Solution

The fourth proportional to 694,139.52, 957,983.20 and 422,226.16 is: 582,715.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,139.52 : 957,983.20 = 422,226.16 : x
  2. Step 2: Convert to fraction form
    694,139.52/957,983.20 = 422,226.16/x
  3. Step 3: Cross multiply
    694,139.52x = 957,983.20 × 422,226.16
  4. Step 4: Simplify right side
    694,139.52x = 404,485,567,880.51
  5. Step 5: Solve for x
    x = 404,485,567,880.51/694,139.52
  6. Step 6: Final answer
    x = 582,715.08

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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.