Home / 525,986.06-725,683.47-299,471.18

Finding the Fourth Proportional to 525,986.06, 725,683.47 and 299,471.18

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Solution

The fourth proportional to 525,986.06, 725,683.47 and 299,471.18 is: 413,169.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,986.06 : 725,683.47 = 299,471.18 : x
  2. Step 2: Convert to fraction form
    525,986.06/725,683.47 = 299,471.18/x
  3. Step 3: Cross multiply
    525,986.06x = 725,683.47 × 299,471.18
  4. Step 4: Simplify right side
    525,986.06x = 217,321,285,067.40
  5. Step 5: Solve for x
    x = 217,321,285,067.40/525,986.06
  6. Step 6: Final answer
    x = 413,169.29

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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.