Home / 675,247.20-1,012,237.20-254,805.60

Finding the Fourth Proportional to 675,247.20, 1,012,237.20 and 254,805.60

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Solution

The fourth proportional to 675,247.20, 1,012,237.20 and 254,805.60 is: 381,969.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,247.20 : 1,012,237.20 = 254,805.60 : x
  2. Step 2: Convert to fraction form
    675,247.20/1,012,237.20 = 254,805.60/x
  3. Step 3: Cross multiply
    675,247.20x = 1,012,237.20 × 254,805.60
  4. Step 4: Simplify right side
    675,247.20x = 257,923,707,088.32
  5. Step 5: Solve for x
    x = 257,923,707,088.32/675,247.20
  6. Step 6: Final answer
    x = 381,969.31

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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.