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Finding the Fourth Proportional to 1,416,554, 1,954,844.56 and 780,650

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Solution

The fourth proportional to 1,416,554, 1,954,844.56 and 780,650 is: 1,077,297.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,554 : 1,954,844.56 = 780,650 : x
  2. Step 2: Convert to fraction form
    1,416,554/1,954,844.56 = 780,650/x
  3. Step 3: Cross multiply
    1,416,554x = 1,954,844.56 × 780,650
  4. Step 4: Simplify right side
    1,416,554x = 1,526,049,405,764
  5. Step 5: Solve for x
    x = 1,526,049,405,764/1,416,554
  6. Step 6: Final answer
    x = 1,077,297.02

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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.