Home / 424,128.31-585,282.24-233,140.32

Finding the Fourth Proportional to 424,128.31, 585,282.24 and 233,140.32

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Solution

The fourth proportional to 424,128.31, 585,282.24 and 233,140.32 is: 321,725.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,128.31 : 585,282.24 = 233,140.32 : x
  2. Step 2: Convert to fraction form
    424,128.31/585,282.24 = 233,140.32/x
  3. Step 3: Cross multiply
    424,128.31x = 585,282.24 × 233,140.32
  4. Step 4: Simplify right side
    424,128.31x = 136,452,888,723.92
  5. Step 5: Solve for x
    x = 136,452,888,723.92/424,128.31
  6. Step 6: Final answer
    x = 321,725.49

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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.