Home / 765,261.15-1,147,910.63-365,944.11

Finding the Fourth Proportional to 765,261.15, 1,147,910.63 and 365,944.11

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Solution

The fourth proportional to 765,261.15, 1,147,910.63 and 365,944.11 is: 548,925.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,261.15 : 1,147,910.63 = 365,944.11 : x
  2. Step 2: Convert to fraction form
    765,261.15/1,147,910.63 = 365,944.11/x
  3. Step 3: Cross multiply
    765,261.15x = 1,147,910.63 × 365,944.11
  4. Step 4: Simplify right side
    765,261.15x = 420,071,132,025.17
  5. Step 5: Solve for x
    x = 420,071,132,025.17/765,261.15
  6. Step 6: Final answer
    x = 548,925.20

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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.