Home / 1,409,568.01-1,945,205.39-764,988.64

Finding the Fourth Proportional to 1,409,568.01, 1,945,205.39 and 764,988.64

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Solution

The fourth proportional to 1,409,568.01, 1,945,205.39 and 764,988.64 is: 1,055,685.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,568.01 : 1,945,205.39 = 764,988.64 : x
  2. Step 2: Convert to fraction form
    1,409,568.01/1,945,205.39 = 764,988.64/x
  3. Step 3: Cross multiply
    1,409,568.01x = 1,945,205.39 × 764,988.64
  4. Step 4: Simplify right side
    1,409,568.01x = 1,488,060,022,866.23
  5. Step 5: Solve for x
    x = 1,488,060,022,866.23/1,409,568.01
  6. Step 6: Final answer
    x = 1,055,685.16

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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.