Home / 682,005.15-1,023,112.81-232,621.03

Finding the Fourth Proportional to 682,005.15, 1,023,112.81 and 232,621.03

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Solution

The fourth proportional to 682,005.15, 1,023,112.81 and 232,621.03 is: 348,967.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,005.15 : 1,023,112.81 = 232,621.03 : x
  2. Step 2: Convert to fraction form
    682,005.15/1,023,112.81 = 232,621.03/x
  3. Step 3: Cross multiply
    682,005.15x = 1,023,112.81 × 232,621.03
  4. Step 4: Simplify right side
    682,005.15x = 237,997,555,929.57
  5. Step 5: Solve for x
    x = 237,997,555,929.57/682,005.15
  6. Step 6: Final answer
    x = 348,967.39

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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.