Home / 1,035,568.71-1,428,348.66-691,231.03

Finding the Fourth Proportional to 1,035,568.71, 1,428,348.66 and 691,231.03

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Solution

The fourth proportional to 1,035,568.71, 1,428,348.66 and 691,231.03 is: 953,407.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,568.71 : 1,428,348.66 = 691,231.03 : x
  2. Step 2: Convert to fraction form
    1,035,568.71/1,428,348.66 = 691,231.03/x
  3. Step 3: Cross multiply
    1,035,568.71x = 1,428,348.66 × 691,231.03
  4. Step 4: Simplify right side
    1,035,568.71x = 987,318,908,309.18
  5. Step 5: Solve for x
    x = 987,318,908,309.18/1,035,568.71
  6. Step 6: Final answer
    x = 953,407.44

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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.