Home / 1,277,723.77-1,916,562.87-379,772.55

Finding the Fourth Proportional to 1,277,723.77, 1,916,562.87 and 379,772.55

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Solution

The fourth proportional to 1,277,723.77, 1,916,562.87 and 379,772.55 is: 569,652.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,723.77 : 1,916,562.87 = 379,772.55 : x
  2. Step 2: Convert to fraction form
    1,277,723.77/1,916,562.87 = 379,772.55/x
  3. Step 3: Cross multiply
    1,277,723.77x = 1,916,562.87 × 379,772.55
  4. Step 4: Simplify right side
    1,277,723.77x = 727,857,968,375.22
  5. Step 5: Solve for x
    x = 727,857,968,375.22/1,277,723.77
  6. Step 6: Final answer
    x = 569,652.05

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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.