Home / 1,426,593.78-1,969,332.48-911,023.11

Finding the Fourth Proportional to 1,426,593.78, 1,969,332.48 and 911,023.11

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Solution

The fourth proportional to 1,426,593.78, 1,969,332.48 and 911,023.11 is: 1,257,616.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,593.78 : 1,969,332.48 = 911,023.11 : x
  2. Step 2: Convert to fraction form
    1,426,593.78/1,969,332.48 = 911,023.11/x
  3. Step 3: Cross multiply
    1,426,593.78x = 1,969,332.48 × 911,023.11
  4. Step 4: Simplify right side
    1,426,593.78x = 1,794,107,400,553.61
  5. Step 5: Solve for x
    x = 1,794,107,400,553.61/1,426,593.78
  6. Step 6: Final answer
    x = 1,257,616.17

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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.