Home / 1,111,665.43-1,667,664.22-353,531.63

Finding the Fourth Proportional to 1,111,665.43, 1,667,664.22 and 353,531.63

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Solution

The fourth proportional to 1,111,665.43, 1,667,664.22 and 353,531.63 is: 530,350.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,665.43 : 1,667,664.22 = 353,531.63 : x
  2. Step 2: Convert to fraction form
    1,111,665.43/1,667,664.22 = 353,531.63/x
  3. Step 3: Cross multiply
    1,111,665.43x = 1,667,664.22 × 353,531.63
  4. Step 4: Simplify right side
    1,111,665.43x = 589,572,049,989.28
  5. Step 5: Solve for x
    x = 589,572,049,989.28/1,111,665.43
  6. Step 6: Final answer
    x = 530,350.26

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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.