Home / 985,261.20-1,476,142.20-922,275.60

Finding the Fourth Proportional to 985,261.20, 1,476,142.20 and 922,275.60

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Solution

The fourth proportional to 985,261.20, 1,476,142.20 and 922,275.60 is: 1,381,775.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,261.20 : 1,476,142.20 = 922,275.60 : x
  2. Step 2: Convert to fraction form
    985,261.20/1,476,142.20 = 922,275.60/x
  3. Step 3: Cross multiply
    985,261.20x = 1,476,142.20 × 922,275.60
  4. Step 4: Simplify right side
    985,261.20x = 1,361,409,933,190.32
  5. Step 5: Solve for x
    x = 1,361,409,933,190.32/985,261.20
  6. Step 6: Final answer
    x = 1,381,775.65

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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.