Home / 403,746.79-557,183.20-231,696.23

Finding the Fourth Proportional to 403,746.79, 557,183.20 and 231,696.23

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Solution

The fourth proportional to 403,746.79, 557,183.20 and 231,696.23 is: 319,748.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,746.79 : 557,183.20 = 231,696.23 : x
  2. Step 2: Convert to fraction form
    403,746.79/557,183.20 = 231,696.23/x
  3. Step 3: Cross multiply
    403,746.79x = 557,183.20 × 231,696.23
  4. Step 4: Simplify right side
    403,746.79x = 129,097,245,700.86
  5. Step 5: Solve for x
    x = 129,097,245,700.86/403,746.79
  6. Step 6: Final answer
    x = 319,748.04

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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.