Home / 1,409,753.57-1,945,407.75-765,159.95

Finding the Fourth Proportional to 1,409,753.57, 1,945,407.75 and 765,159.95

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Solution

The fourth proportional to 1,409,753.57, 1,945,407.75 and 765,159.95 is: 1,055,892.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,753.57 : 1,945,407.75 = 765,159.95 : x
  2. Step 2: Convert to fraction form
    1,409,753.57/1,945,407.75 = 765,159.95/x
  3. Step 3: Cross multiply
    1,409,753.57x = 1,945,407.75 × 765,159.95
  4. Step 4: Simplify right side
    1,409,753.57x = 1,488,548,086,992.57
  5. Step 5: Solve for x
    x = 1,488,548,086,992.57/1,409,753.57
  6. Step 6: Final answer
    x = 1,055,892.41

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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.