Home / 905,775.71-1,358,632.35-231,862.82

Finding the Fourth Proportional to 905,775.71, 1,358,632.35 and 231,862.82

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Solution

The fourth proportional to 905,775.71, 1,358,632.35 and 231,862.82 is: 347,786.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,775.71 : 1,358,632.35 = 231,862.82 : x
  2. Step 2: Convert to fraction form
    905,775.71/1,358,632.35 = 231,862.82/x
  3. Step 3: Cross multiply
    905,775.71x = 1,358,632.35 × 231,862.82
  4. Step 4: Simplify right side
    905,775.71x = 315,016,321,221.07
  5. Step 5: Solve for x
    x = 315,016,321,221.07/905,775.71
  6. Step 6: Final answer
    x = 347,786.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.