Home / 1,185,146.38-1,635,216.54-719,986.75

Finding the Fourth Proportional to 1,185,146.38, 1,635,216.54 and 719,986.75

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Solution

The fourth proportional to 1,185,146.38, 1,635,216.54 and 719,986.75 is: 993,408.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,146.38 : 1,635,216.54 = 719,986.75 : x
  2. Step 2: Convert to fraction form
    1,185,146.38/1,635,216.54 = 719,986.75/x
  3. Step 3: Cross multiply
    1,185,146.38x = 1,635,216.54 × 719,986.75
  4. Step 4: Simplify right side
    1,185,146.38x = 1,177,334,242,180.85
  5. Step 5: Solve for x
    x = 1,177,334,242,180.85/1,185,146.38
  6. Step 6: Final answer
    x = 993,408.29

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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.