Home / 1,409,156.09-1,944,632.71-764,576.11

Finding the Fourth Proportional to 1,409,156.09, 1,944,632.71 and 764,576.11

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Solution

The fourth proportional to 1,409,156.09, 1,944,632.71 and 764,576.11 is: 1,055,113.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,156.09 : 1,944,632.71 = 764,576.11 : x
  2. Step 2: Convert to fraction form
    1,409,156.09/1,944,632.71 = 764,576.11/x
  3. Step 3: Cross multiply
    1,409,156.09x = 1,944,632.71 × 764,576.11
  4. Step 4: Simplify right side
    1,409,156.09x = 1,486,819,716,177.07
  5. Step 5: Solve for x
    x = 1,486,819,716,177.07/1,409,156.09
  6. Step 6: Final answer
    x = 1,055,113.57

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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.