Home / 403,260.19-556,433.92-231,146.46

Finding the Fourth Proportional to 403,260.19, 556,433.92 and 231,146.46

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Solution

The fourth proportional to 403,260.19, 556,433.92 and 231,146.46 is: 318,944.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,260.19 : 556,433.92 = 231,146.46 : x
  2. Step 2: Convert to fraction form
    403,260.19/556,433.92 = 231,146.46/x
  3. Step 3: Cross multiply
    403,260.19x = 556,433.92 × 231,146.46
  4. Step 4: Simplify right side
    403,260.19x = 128,617,731,120.86
  5. Step 5: Solve for x
    x = 128,617,731,120.86/403,260.19
  6. Step 6: Final answer
    x = 318,944.78

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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.