Home / 1,778,928.44-2,454,917.72-963,131.90

Finding the Fourth Proportional to 1,778,928.44, 2,454,917.72 and 963,131.90

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Solution

The fourth proportional to 1,778,928.44, 2,454,917.72 and 963,131.90 is: 1,329,120.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,928.44 : 2,454,917.72 = 963,131.90 : x
  2. Step 2: Convert to fraction form
    1,778,928.44/2,454,917.72 = 963,131.90/x
  3. Step 3: Cross multiply
    1,778,928.44x = 2,454,917.72 × 963,131.90
  4. Step 4: Simplify right side
    1,778,928.44x = 2,364,409,550,917.02
  5. Step 5: Solve for x
    x = 2,364,409,550,917.02/1,778,928.44
  6. Step 6: Final answer
    x = 1,329,120.11

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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.