Home / 726,670.50-1,090,180.80-228,034.50

Finding the Fourth Proportional to 726,670.50, 1,090,180.80 and 228,034.50

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Solution

The fourth proportional to 726,670.50, 1,090,180.80 and 228,034.50 is: 342,106.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,670.50 : 1,090,180.80 = 228,034.50 : x
  2. Step 2: Convert to fraction form
    726,670.50/1,090,180.80 = 228,034.50/x
  3. Step 3: Cross multiply
    726,670.50x = 1,090,180.80 × 228,034.50
  4. Step 4: Simplify right side
    726,670.50x = 248,598,833,637.60
  5. Step 5: Solve for x
    x = 248,598,833,637.60/726,670.50
  6. Step 6: Final answer
    x = 342,106.68

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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.