Home / 1,859,700.94-2,790,627.59-780,116.81

Finding the Fourth Proportional to 1,859,700.94, 2,790,627.59 and 780,116.81

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Solution

The fourth proportional to 1,859,700.94, 2,790,627.59 and 780,116.81 is: 1,170,626.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,700.94 : 2,790,627.59 = 780,116.81 : x
  2. Step 2: Convert to fraction form
    1,859,700.94/2,790,627.59 = 780,116.81/x
  3. Step 3: Cross multiply
    1,859,700.94x = 2,790,627.59 × 780,116.81
  4. Step 4: Simplify right side
    1,859,700.94x = 2,177,015,481,405.94
  5. Step 5: Solve for x
    x = 2,177,015,481,405.94/1,859,700.94
  6. Step 6: Final answer
    x = 1,170,626.65

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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.