Home / 1,371,792.11-1,892,731.11-791,192.81

Finding the Fourth Proportional to 1,371,792.11, 1,892,731.11 and 791,192.81

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Solution

The fourth proportional to 1,371,792.11, 1,892,731.11 and 791,192.81 is: 1,091,648.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,792.11 : 1,892,731.11 = 791,192.81 : x
  2. Step 2: Convert to fraction form
    1,371,792.11/1,892,731.11 = 791,192.81/x
  3. Step 3: Cross multiply
    1,371,792.11x = 1,892,731.11 × 791,192.81
  4. Step 4: Simplify right side
    1,371,792.11x = 1,497,515,247,260.17
  5. Step 5: Solve for x
    x = 1,497,515,247,260.17/1,371,792.11
  6. Step 6: Final answer
    x = 1,091,648.83

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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.