Home / 424,134.79-585,291.15-233,146.80

Finding the Fourth Proportional to 424,134.79, 585,291.15 and 233,146.80

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Solution

The fourth proportional to 424,134.79, 585,291.15 and 233,146.80 is: 321,734.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,134.79 : 585,291.15 = 233,146.80 : x
  2. Step 2: Convert to fraction form
    424,134.79/585,291.15 = 233,146.80/x
  3. Step 3: Cross multiply
    424,134.79x = 585,291.15 × 233,146.80
  4. Step 4: Simplify right side
    424,134.79x = 136,458,758,690.82
  5. Step 5: Solve for x
    x = 136,458,758,690.82/424,134.79
  6. Step 6: Final answer
    x = 321,734.42

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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.