Home / 1,889,718.30-2,834,577.45-691,242.30

Finding the Fourth Proportional to 1,889,718.30, 2,834,577.45 and 691,242.30

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Solution

The fourth proportional to 1,889,718.30, 2,834,577.45 and 691,242.30 is: 1,036,863.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,718.30 : 2,834,577.45 = 691,242.30 : x
  2. Step 2: Convert to fraction form
    1,889,718.30/2,834,577.45 = 691,242.30/x
  3. Step 3: Cross multiply
    1,889,718.30x = 2,834,577.45 × 691,242.30
  4. Step 4: Simplify right side
    1,889,718.30x = 1,959,379,836,066.14
  5. Step 5: Solve for x
    x = 1,959,379,836,066.14/1,889,718.30
  6. Step 6: Final answer
    x = 1,036,863.45

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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.