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Finding the Fourth Proportional to 1,401,865.16, 1,934,572.02 and 798,253.16

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Solution

The fourth proportional to 1,401,865.16, 1,934,572.02 and 798,253.16 is: 1,101,588.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,865.16 : 1,934,572.02 = 798,253.16 : x
  2. Step 2: Convert to fraction form
    1,401,865.16/1,934,572.02 = 798,253.16/x
  3. Step 3: Cross multiply
    1,401,865.16x = 1,934,572.02 × 798,253.16
  4. Step 4: Simplify right side
    1,401,865.16x = 1,544,278,228,212.58
  5. Step 5: Solve for x
    x = 1,544,278,228,212.58/1,401,865.16
  6. Step 6: Final answer
    x = 1,101,588.28

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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.