Home / 777,628.50-1,166,442.77-186,652.50

Finding the Fourth Proportional to 777,628.50, 1,166,442.77 and 186,652.50

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Solution

The fourth proportional to 777,628.50, 1,166,442.77 and 186,652.50 is: 279,978.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,628.50 : 1,166,442.77 = 186,652.50 : x
  2. Step 2: Convert to fraction form
    777,628.50/1,166,442.77 = 186,652.50/x
  3. Step 3: Cross multiply
    777,628.50x = 1,166,442.77 × 186,652.50
  4. Step 4: Simplify right side
    777,628.50x = 217,719,458,194.16
  5. Step 5: Solve for x
    x = 217,719,458,194.16/777,628.50
  6. Step 6: Final answer
    x = 279,978.75

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Why These Related Problems?

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