Home / 1,035,569.71-1,428,350.04-691,232.03

Finding the Fourth Proportional to 1,035,569.71, 1,428,350.04 and 691,232.03

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Solution

The fourth proportional to 1,035,569.71, 1,428,350.04 and 691,232.03 is: 953,408.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,569.71 : 1,428,350.04 = 691,232.03 : x
  2. Step 2: Convert to fraction form
    1,035,569.71/1,428,350.04 = 691,232.03/x
  3. Step 3: Cross multiply
    1,035,569.71x = 1,428,350.04 × 691,232.03
  4. Step 4: Simplify right side
    1,035,569.71x = 987,321,297,699.78
  5. Step 5: Solve for x
    x = 987,321,297,699.78/1,035,569.71
  6. Step 6: Final answer
    x = 953,408.82

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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.