Home / 465,974.02-643,040.85-264,770.02

Finding the Fourth Proportional to 465,974.02, 643,040.85 and 264,770.02

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Solution

The fourth proportional to 465,974.02, 643,040.85 and 264,770.02 is: 365,380.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,974.02 : 643,040.85 = 264,770.02 : x
  2. Step 2: Convert to fraction form
    465,974.02/643,040.85 = 264,770.02/x
  3. Step 3: Cross multiply
    465,974.02x = 643,040.85 × 264,770.02
  4. Step 4: Simplify right side
    465,974.02x = 170,257,938,715.32
  5. Step 5: Solve for x
    x = 170,257,938,715.32/465,974.02
  6. Step 6: Final answer
    x = 365,380.75

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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.