Home / 1,378,080.16-1,901,323.20-804,706.72

Finding the Fourth Proportional to 1,378,080.16, 1,901,323.20 and 804,706.72

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Solution

The fourth proportional to 1,378,080.16, 1,901,323.20 and 804,706.72 is: 1,110,245.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,080.16 : 1,901,323.20 = 804,706.72 : x
  2. Step 2: Convert to fraction form
    1,378,080.16/1,901,323.20 = 804,706.72/x
  3. Step 3: Cross multiply
    1,378,080.16x = 1,901,323.20 × 804,706.72
  4. Step 4: Simplify right side
    1,378,080.16x = 1,530,007,555,931.90
  5. Step 5: Solve for x
    x = 1,530,007,555,931.90/1,378,080.16
  6. Step 6: Final answer
    x = 1,110,245.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.