Home / 1,409,655.87-1,945,275.71-765,063.14

Finding the Fourth Proportional to 1,409,655.87, 1,945,275.71 and 765,063.14

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Solution

The fourth proportional to 1,409,655.87, 1,945,275.71 and 765,063.14 is: 1,055,760.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,655.87 : 1,945,275.71 = 765,063.14 : x
  2. Step 2: Convert to fraction form
    1,409,655.87/1,945,275.71 = 765,063.14/x
  3. Step 3: Cross multiply
    1,409,655.87x = 1,945,275.71 × 765,063.14
  4. Step 4: Simplify right side
    1,409,655.87x = 1,488,258,729,306.64
  5. Step 5: Solve for x
    x = 1,488,258,729,306.64/1,409,655.87
  6. Step 6: Final answer
    x = 1,055,760.32

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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.