Home / 1,392,663.92-1,922,218.09-849,099.44

Finding the Fourth Proportional to 1,392,663.92, 1,922,218.09 and 849,099.44

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Solution

The fourth proportional to 1,392,663.92, 1,922,218.09 and 849,099.44 is: 1,171,965.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,663.92 : 1,922,218.09 = 849,099.44 : x
  2. Step 2: Convert to fraction form
    1,392,663.92/1,922,218.09 = 849,099.44/x
  3. Step 3: Cross multiply
    1,392,663.92x = 1,922,218.09 × 849,099.44
  4. Step 4: Simplify right side
    1,392,663.92x = 1,632,154,306,459.67
  5. Step 5: Solve for x
    x = 1,632,154,306,459.67/1,392,663.92
  6. Step 6: Final answer
    x = 1,171,965.68

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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.