Home / 1,409,561-1,945,195.18-764,981.04

Finding the Fourth Proportional to 1,409,561, 1,945,195.18 and 764,981.04

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Solution

The fourth proportional to 1,409,561, 1,945,195.18 and 764,981.04 is: 1,055,674.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,561 : 1,945,195.18 = 764,981.04 : x
  2. Step 2: Convert to fraction form
    1,409,561/1,945,195.18 = 764,981.04/x
  3. Step 3: Cross multiply
    1,409,561x = 1,945,195.18 × 764,981.04
  4. Step 4: Simplify right side
    1,409,561x = 1,488,037,431,799.39
  5. Step 5: Solve for x
    x = 1,488,037,431,799.39/1,409,561
  6. Step 6: Final answer
    x = 1,055,674.38

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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.