Home / 1,409,600.42-1,945,248.54-765,020.66

Finding the Fourth Proportional to 1,409,600.42, 1,945,248.54 and 765,020.66

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Solution

The fourth proportional to 1,409,600.42, 1,945,248.54 and 765,020.66 is: 1,055,728.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,600.42 : 1,945,248.54 = 765,020.66 : x
  2. Step 2: Convert to fraction form
    1,409,600.42/1,945,248.54 = 765,020.66/x
  3. Step 3: Cross multiply
    1,409,600.42x = 1,945,248.54 × 765,020.66
  4. Step 4: Simplify right side
    1,409,600.42x = 1,488,155,321,934.84
  5. Step 5: Solve for x
    x = 1,488,155,321,934.84/1,409,600.42
  6. Step 6: Final answer
    x = 1,055,728.49

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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.