Home / 424,131.78-585,287.01-233,143.80

Finding the Fourth Proportional to 424,131.78, 585,287.01 and 233,143.80

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Solution

The fourth proportional to 424,131.78, 585,287.01 and 233,143.80 is: 321,730.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,131.78 : 585,287.01 = 233,143.80 : x
  2. Step 2: Convert to fraction form
    424,131.78/585,287.01 = 233,143.80/x
  3. Step 3: Cross multiply
    424,131.78x = 585,287.01 × 233,143.80
  4. Step 4: Simplify right side
    424,131.78x = 136,456,037,602.04
  5. Step 5: Solve for x
    x = 136,456,037,602.04/424,131.78
  6. Step 6: Final answer
    x = 321,730.28

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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.