Home / 1,409,195.68-1,944,683.54-764,614.28

Finding the Fourth Proportional to 1,409,195.68, 1,944,683.54 and 764,614.28

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Solution

The fourth proportional to 1,409,195.68, 1,944,683.54 and 764,614.28 is: 1,055,164.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,195.68 : 1,944,683.54 = 764,614.28 : x
  2. Step 2: Convert to fraction form
    1,409,195.68/1,944,683.54 = 764,614.28/x
  3. Step 3: Cross multiply
    1,409,195.68x = 1,944,683.54 × 764,614.28
  4. Step 4: Simplify right side
    1,409,195.68x = 1,486,932,808,670.89
  5. Step 5: Solve for x
    x = 1,486,932,808,670.89/1,409,195.68
  6. Step 6: Final answer
    x = 1,055,164.19

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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.