Home / 774,558.54-1,068,974.01-468,803.16

Finding the Fourth Proportional to 774,558.54, 1,068,974.01 and 468,803.16

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Solution

The fourth proportional to 774,558.54, 1,068,974.01 and 468,803.16 is: 646,998.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,558.54 : 1,068,974.01 = 468,803.16 : x
  2. Step 2: Convert to fraction form
    774,558.54/1,068,974.01 = 468,803.16/x
  3. Step 3: Cross multiply
    774,558.54x = 1,068,974.01 × 468,803.16
  4. Step 4: Simplify right side
    774,558.54x = 501,138,393,845.87
  5. Step 5: Solve for x
    x = 501,138,393,845.87/774,558.54
  6. Step 6: Final answer
    x = 646,998.73

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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.