Home / 776,694.33-1,071,621.63-500,935.50

Finding the Fourth Proportional to 776,694.33, 1,071,621.63 and 500,935.50

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Solution

The fourth proportional to 776,694.33, 1,071,621.63 and 500,935.50 is: 691,151.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,694.33 : 1,071,621.63 = 500,935.50 : x
  2. Step 2: Convert to fraction form
    776,694.33/1,071,621.63 = 500,935.50/x
  3. Step 3: Cross multiply
    776,694.33x = 1,071,621.63 × 500,935.50
  4. Step 4: Simplify right side
    776,694.33x = 536,813,317,034.87
  5. Step 5: Solve for x
    x = 536,813,317,034.87/776,694.33
  6. Step 6: Final answer
    x = 691,151.33

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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.