Home / 763,951.30-1,054,249.27-419,808.62

Finding the Fourth Proportional to 763,951.30, 1,054,249.27 and 419,808.62

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Solution

The fourth proportional to 763,951.30, 1,054,249.27 and 419,808.62 is: 579,333.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,951.30 : 1,054,249.27 = 419,808.62 : x
  2. Step 2: Convert to fraction form
    763,951.30/1,054,249.27 = 419,808.62/x
  3. Step 3: Cross multiply
    763,951.30x = 1,054,249.27 × 419,808.62
  4. Step 4: Simplify right side
    763,951.30x = 442,582,935,122.23
  5. Step 5: Solve for x
    x = 442,582,935,122.23/763,951.30
  6. Step 6: Final answer
    x = 579,333.97

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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.