Home / 917,768.40-1,266,535.32-509,896.56

Finding the Fourth Proportional to 917,768.40, 1,266,535.32 and 509,896.56

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Solution

The fourth proportional to 917,768.40, 1,266,535.32 and 509,896.56 is: 703,665.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,768.40 : 1,266,535.32 = 509,896.56 : x
  2. Step 2: Convert to fraction form
    917,768.40/1,266,535.32 = 509,896.56/x
  3. Step 3: Cross multiply
    917,768.40x = 1,266,535.32 × 509,896.56
  4. Step 4: Simplify right side
    917,768.40x = 645,802,002,786.50
  5. Step 5: Solve for x
    x = 645,802,002,786.50/917,768.40
  6. Step 6: Final answer
    x = 703,665.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.