Home / 763,959.24-1,054,260.22-419,816.56

Finding the Fourth Proportional to 763,959.24, 1,054,260.22 and 419,816.56

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Solution

The fourth proportional to 763,959.24, 1,054,260.22 and 419,816.56 is: 579,344.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,959.24 : 1,054,260.22 = 419,816.56 : x
  2. Step 2: Convert to fraction form
    763,959.24/1,054,260.22 = 419,816.56/x
  3. Step 3: Cross multiply
    763,959.24x = 1,054,260.22 × 419,816.56
  4. Step 4: Simplify right side
    763,959.24x = 442,595,898,905.24
  5. Step 5: Solve for x
    x = 442,595,898,905.24/763,959.24
  6. Step 6: Final answer
    x = 579,344.91

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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.