Home / 763,947.05-1,053,524.30-501,839.62

Finding the Fourth Proportional to 763,947.05, 1,053,524.30 and 501,839.62

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Solution

The fourth proportional to 763,947.05, 1,053,524.30 and 501,839.62 is: 692,063.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,947.05 : 1,053,524.30 = 501,839.62 : x
  2. Step 2: Convert to fraction form
    763,947.05/1,053,524.30 = 501,839.62/x
  3. Step 3: Cross multiply
    763,947.05x = 1,053,524.30 × 501,839.62
  4. Step 4: Simplify right side
    763,947.05x = 528,700,229,229.76
  5. Step 5: Solve for x
    x = 528,700,229,229.76/763,947.05
  6. Step 6: Final answer
    x = 692,063.97

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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.