Home / 492,112.02-679,114.64-265,757.52

Finding the Fourth Proportional to 492,112.02, 679,114.64 and 265,757.52

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Solution

The fourth proportional to 492,112.02, 679,114.64 and 265,757.52 is: 366,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,112.02 : 679,114.64 = 265,757.52 : x
  2. Step 2: Convert to fraction form
    492,112.02/679,114.64 = 265,757.52/x
  3. Step 3: Cross multiply
    492,112.02x = 679,114.64 × 265,757.52
  4. Step 4: Simplify right side
    492,112.02x = 180,479,821,193.31
  5. Step 5: Solve for x
    x = 180,479,821,193.31/492,112.02
  6. Step 6: Final answer
    x = 366,745.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.