Home / 762,647.68-1,052,481.92-460,783.36

Finding the Fourth Proportional to 762,647.68, 1,052,481.92 and 460,783.36

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Solution

The fourth proportional to 762,647.68, 1,052,481.92 and 460,783.36 is: 635,898.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,647.68 : 1,052,481.92 = 460,783.36 : x
  2. Step 2: Convert to fraction form
    762,647.68/1,052,481.92 = 460,783.36/x
  3. Step 3: Cross multiply
    762,647.68x = 1,052,481.92 × 460,783.36
  4. Step 4: Simplify right side
    762,647.68x = 484,966,155,436.85
  5. Step 5: Solve for x
    x = 484,966,155,436.85/762,647.68
  6. Step 6: Final answer
    x = 635,898.03

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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.