Home / 1,035,578.93-1,428,362.75-691,241.24

Finding the Fourth Proportional to 1,035,578.93, 1,428,362.75 and 691,241.24

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Solution

The fourth proportional to 1,035,578.93, 1,428,362.75 and 691,241.24 is: 953,421.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,578.93 : 1,428,362.75 = 691,241.24 : x
  2. Step 2: Convert to fraction form
    1,035,578.93/1,428,362.75 = 691,241.24/x
  3. Step 3: Cross multiply
    1,035,578.93x = 1,428,362.75 × 691,241.24
  4. Step 4: Simplify right side
    1,035,578.93x = 987,343,243,778.82
  5. Step 5: Solve for x
    x = 987,343,243,778.82/1,035,578.93
  6. Step 6: Final answer
    x = 953,421.53

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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.