Home / 1,256,351.28-1,883,433.42-807,199.80

Finding the Fourth Proportional to 1,256,351.28, 1,883,433.42 and 807,199.80

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Solution

The fourth proportional to 1,256,351.28, 1,883,433.42 and 807,199.80 is: 1,210,097.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,351.28 : 1,883,433.42 = 807,199.80 : x
  2. Step 2: Convert to fraction form
    1,256,351.28/1,883,433.42 = 807,199.80/x
  3. Step 3: Cross multiply
    1,256,351.28x = 1,883,433.42 × 807,199.80
  4. Step 4: Simplify right side
    1,256,351.28x = 1,520,307,079,937.32
  5. Step 5: Solve for x
    x = 1,520,307,079,937.32/1,256,351.28
  6. Step 6: Final answer
    x = 1,210,097.13

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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.