Home / 1,409,753.92-1,945,455.48-765,174.10

Finding the Fourth Proportional to 1,409,753.92, 1,945,455.48 and 765,174.10

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Solution

The fourth proportional to 1,409,753.92, 1,945,455.48 and 765,174.10 is: 1,055,937.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,753.92 : 1,945,455.48 = 765,174.10 : x
  2. Step 2: Convert to fraction form
    1,409,753.92/1,945,455.48 = 765,174.10/x
  3. Step 3: Cross multiply
    1,409,753.92x = 1,945,455.48 × 765,174.10
  4. Step 4: Simplify right side
    1,409,753.92x = 1,488,612,145,999.07
  5. Step 5: Solve for x
    x = 1,488,612,145,999.07/1,409,753.92
  6. Step 6: Final answer
    x = 1,055,937.58

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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.