Home / 855,035.87-1,179,931.30-467,849.72

Finding the Fourth Proportional to 855,035.87, 1,179,931.30 and 467,849.72

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Solution

The fourth proportional to 855,035.87, 1,179,931.30 and 467,849.72 is: 645,622.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,035.87 : 1,179,931.30 = 467,849.72 : x
  2. Step 2: Convert to fraction form
    855,035.87/1,179,931.30 = 467,849.72/x
  3. Step 3: Cross multiply
    855,035.87x = 1,179,931.30 × 467,849.72
  4. Step 4: Simplify right side
    855,035.87x = 552,030,530,104.44
  5. Step 5: Solve for x
    x = 552,030,530,104.44/855,035.87
  6. Step 6: Final answer
    x = 645,622.66

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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.