Home / 889,683.33-1,228,062.42-540,822.54

Finding the Fourth Proportional to 889,683.33, 1,228,062.42 and 540,822.54

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Solution

The fourth proportional to 889,683.33, 1,228,062.42 and 540,822.54 is: 746,517.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,683.33 : 1,228,062.42 = 540,822.54 : x
  2. Step 2: Convert to fraction form
    889,683.33/1,228,062.42 = 540,822.54/x
  3. Step 3: Cross multiply
    889,683.33x = 1,228,062.42 × 540,822.54
  4. Step 4: Simplify right side
    889,683.33x = 664,163,837,262.95
  5. Step 5: Solve for x
    x = 664,163,837,262.95/889,683.33
  6. Step 6: Final answer
    x = 746,517.12

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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.