Home / 762,936.76-1,052,803.74-476,439.76

Finding the Fourth Proportional to 762,936.76, 1,052,803.74 and 476,439.76

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Solution

The fourth proportional to 762,936.76, 1,052,803.74 and 476,439.76 is: 657,456.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,936.76 : 1,052,803.74 = 476,439.76 : x
  2. Step 2: Convert to fraction form
    762,936.76/1,052,803.74 = 476,439.76/x
  3. Step 3: Cross multiply
    762,936.76x = 1,052,803.74 × 476,439.76
  4. Step 4: Simplify right side
    762,936.76x = 501,597,561,212.70
  5. Step 5: Solve for x
    x = 501,597,561,212.70/762,936.76
  6. Step 6: Final answer
    x = 657,456.28

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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.