Home / 1,165,931.28-1,609,099.92-682,467.12

Finding the Fourth Proportional to 1,165,931.28, 1,609,099.92 and 682,467.12

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Solution

The fourth proportional to 1,165,931.28, 1,609,099.92 and 682,467.12 is: 941,871.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,931.28 : 1,609,099.92 = 682,467.12 : x
  2. Step 2: Convert to fraction form
    1,165,931.28/1,609,099.92 = 682,467.12/x
  3. Step 3: Cross multiply
    1,165,931.28x = 1,609,099.92 × 682,467.12
  4. Step 4: Simplify right side
    1,165,931.28x = 1,098,157,788,194.63
  5. Step 5: Solve for x
    x = 1,098,157,788,194.63/1,165,931.28
  6. Step 6: Final answer
    x = 941,871.80

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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.