Home / 762,907.84-1,052,695.92-456,912.52

Finding the Fourth Proportional to 762,907.84, 1,052,695.92 and 456,912.52

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Solution

The fourth proportional to 762,907.84, 1,052,695.92 and 456,912.52 is: 630,469.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,907.84 : 1,052,695.92 = 456,912.52 : x
  2. Step 2: Convert to fraction form
    762,907.84/1,052,695.92 = 456,912.52/x
  3. Step 3: Cross multiply
    762,907.84x = 1,052,695.92 × 456,912.52
  4. Step 4: Simplify right side
    762,907.84x = 480,989,945,600.92
  5. Step 5: Solve for x
    x = 480,989,945,600.92/762,907.84
  6. Step 6: Final answer
    x = 630,469.27

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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.