Home / 762,790.14-1,052,650.38-423,313.02

Finding the Fourth Proportional to 762,790.14, 1,052,650.38 and 423,313.02

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Solution

The fourth proportional to 762,790.14, 1,052,650.38 and 423,313.02 is: 584,171.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,790.14 : 1,052,650.38 = 423,313.02 : x
  2. Step 2: Convert to fraction form
    762,790.14/1,052,650.38 = 423,313.02/x
  3. Step 3: Cross multiply
    762,790.14x = 1,052,650.38 × 423,313.02
  4. Step 4: Simplify right side
    762,790.14x = 445,600,611,361.95
  5. Step 5: Solve for x
    x = 445,600,611,361.95/762,790.14
  6. Step 6: Final answer
    x = 584,171.96

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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.