Home / 627,528.86-941,360.15-200,912.12

Finding the Fourth Proportional to 627,528.86, 941,360.15 and 200,912.12

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Solution

The fourth proportional to 627,528.86, 941,360.15 and 200,912.12 is: 301,389.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,528.86 : 941,360.15 = 200,912.12 : x
  2. Step 2: Convert to fraction form
    627,528.86/941,360.15 = 200,912.12/x
  3. Step 3: Cross multiply
    627,528.86x = 941,360.15 × 200,912.12
  4. Step 4: Simplify right side
    627,528.86x = 189,130,663,420.02
  5. Step 5: Solve for x
    x = 189,130,663,420.02/627,528.86
  6. Step 6: Final answer
    x = 301,389.59

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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.