Home / 1,035,570.71-1,428,351.42-691,233.03

Finding the Fourth Proportional to 1,035,570.71, 1,428,351.42 and 691,233.03

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Solution

The fourth proportional to 1,035,570.71, 1,428,351.42 and 691,233.03 is: 953,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,570.71 : 1,428,351.42 = 691,233.03 : x
  2. Step 2: Convert to fraction form
    1,035,570.71/1,428,351.42 = 691,233.03/x
  3. Step 3: Cross multiply
    1,035,570.71x = 1,428,351.42 × 691,233.03
  4. Step 4: Simplify right side
    1,035,570.71x = 987,323,679,951.40
  5. Step 5: Solve for x
    x = 987,323,679,951.40/1,035,570.71
  6. Step 6: Final answer
    x = 953,410.20

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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.