Home / 776,378.44-1,071,822.78-544,517.42

Finding the Fourth Proportional to 776,378.44, 1,071,822.78 and 544,517.42

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Solution

The fourth proportional to 776,378.44, 1,071,822.78 and 544,517.42 is: 751,728.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,378.44 : 1,071,822.78 = 544,517.42 : x
  2. Step 2: Convert to fraction form
    776,378.44/1,071,822.78 = 544,517.42/x
  3. Step 3: Cross multiply
    776,378.44x = 1,071,822.78 × 544,517.42
  4. Step 4: Simplify right side
    776,378.44x = 583,626,174,862.83
  5. Step 5: Solve for x
    x = 583,626,174,862.83/776,378.44
  6. Step 6: Final answer
    x = 751,728.98

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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.