Home / 431,388.06-595,327.77-240,399.78

Finding the Fourth Proportional to 431,388.06, 595,327.77 and 240,399.78

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Solution

The fourth proportional to 431,388.06, 595,327.77 and 240,399.78 is: 331,758.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,388.06 : 595,327.77 = 240,399.78 : x
  2. Step 2: Convert to fraction form
    431,388.06/595,327.77 = 240,399.78/x
  3. Step 3: Cross multiply
    431,388.06x = 595,327.77 × 240,399.78
  4. Step 4: Simplify right side
    431,388.06x = 143,116,664,935.89
  5. Step 5: Solve for x
    x = 143,116,664,935.89/431,388.06
  6. Step 6: Final answer
    x = 331,758.52

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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.