Home / 404,210.27-557,714.26-229,766.78

Finding the Fourth Proportional to 404,210.27, 557,714.26 and 229,766.78

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Solution

The fourth proportional to 404,210.27, 557,714.26 and 229,766.78 is: 317,023.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,210.27 : 557,714.26 = 229,766.78 : x
  2. Step 2: Convert to fraction form
    404,210.27/557,714.26 = 229,766.78/x
  3. Step 3: Cross multiply
    404,210.27x = 557,714.26 × 229,766.78
  4. Step 4: Simplify right side
    404,210.27x = 128,144,208,916.88
  5. Step 5: Solve for x
    x = 128,144,208,916.88/404,210.27
  6. Step 6: Final answer
    x = 317,023.64

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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.