Home / 1,959,585.72-2,939,563.48-761,599.78

Finding the Fourth Proportional to 1,959,585.72, 2,939,563.48 and 761,599.78

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Solution

The fourth proportional to 1,959,585.72, 2,939,563.48 and 761,599.78 is: 1,142,471.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959,585.72 : 2,939,563.48 = 761,599.78 : x
  2. Step 2: Convert to fraction form
    1,959,585.72/2,939,563.48 = 761,599.78/x
  3. Step 3: Cross multiply
    1,959,585.72x = 2,939,563.48 × 761,599.78
  4. Step 4: Simplify right side
    1,959,585.72x = 2,238,770,899,664.03
  5. Step 5: Solve for x
    x = 2,238,770,899,664.03/1,959,585.72
  6. Step 6: Final answer
    x = 1,142,471.53

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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.