Home / 682,012.40-1,023,123.72-232,628.28

Finding the Fourth Proportional to 682,012.40, 1,023,123.72 and 232,628.28

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Solution

The fourth proportional to 682,012.40, 1,023,123.72 and 232,628.28 is: 348,978.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,012.40 : 1,023,123.72 = 232,628.28 : x
  2. Step 2: Convert to fraction form
    682,012.40/1,023,123.72 = 232,628.28/x
  3. Step 3: Cross multiply
    682,012.40x = 1,023,123.72 × 232,628.28
  4. Step 4: Simplify right side
    682,012.40x = 238,007,511,210.80
  5. Step 5: Solve for x
    x = 238,007,511,210.80/682,012.40
  6. Step 6: Final answer
    x = 348,978.28

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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.