Home / 403,616.32-556,993.36-231,541.79

Finding the Fourth Proportional to 403,616.32, 556,993.36 and 231,541.79

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Solution

The fourth proportional to 403,616.32, 556,993.36 and 231,541.79 is: 319,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,616.32 : 556,993.36 = 231,541.79 : x
  2. Step 2: Convert to fraction form
    403,616.32/556,993.36 = 231,541.79/x
  3. Step 3: Cross multiply
    403,616.32x = 556,993.36 × 231,541.79
  4. Step 4: Simplify right side
    403,616.32x = 128,967,240,230.06
  5. Step 5: Solve for x
    x = 128,967,240,230.06/403,616.32
  6. Step 6: Final answer
    x = 319,529.30

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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.