Home / 920,463.45-1,378,812.92-750,291.63

Finding the Fourth Proportional to 920,463.45, 1,378,812.92 and 750,291.63

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Solution

The fourth proportional to 920,463.45, 1,378,812.92 and 750,291.63 is: 1,123,903.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,463.45 : 1,378,812.92 = 750,291.63 : x
  2. Step 2: Convert to fraction form
    920,463.45/1,378,812.92 = 750,291.63/x
  3. Step 3: Cross multiply
    920,463.45x = 1,378,812.92 × 750,291.63
  4. Step 4: Simplify right side
    920,463.45x = 1,034,511,784,289.85
  5. Step 5: Solve for x
    x = 1,034,511,784,289.85/920,463.45
  6. Step 6: Final answer
    x = 1,123,903.17

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.