Home / 1,277,204.88-1,916,705.11-1,155,101.64

Finding the Fourth Proportional to 1,277,204.88, 1,916,705.11 and 1,155,101.64

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Solution

The fourth proportional to 1,277,204.88, 1,916,705.11 and 1,155,101.64 is: 1,733,464.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,204.88 : 1,916,705.11 = 1,155,101.64 : x
  2. Step 2: Convert to fraction form
    1,277,204.88/1,916,705.11 = 1,155,101.64/x
  3. Step 3: Cross multiply
    1,277,204.88x = 1,916,705.11 × 1,155,101.64
  4. Step 4: Simplify right side
    1,277,204.88x = 2,213,989,215,957.38
  5. Step 5: Solve for x
    x = 2,213,989,215,957.38/1,277,204.88
  6. Step 6: Final answer
    x = 1,733,464.42

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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.