Home / 1,035,573.33-1,428,355.04-691,235.65

Finding the Fourth Proportional to 1,035,573.33, 1,428,355.04 and 691,235.65

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Solution

The fourth proportional to 1,035,573.33, 1,428,355.04 and 691,235.65 is: 953,413.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,573.33 : 1,428,355.04 = 691,235.65 : x
  2. Step 2: Convert to fraction form
    1,035,573.33/1,428,355.04 = 691,235.65/x
  3. Step 3: Cross multiply
    1,035,573.33x = 1,428,355.04 × 691,235.65
  4. Step 4: Simplify right side
    1,035,573.33x = 987,329,917,478.11
  5. Step 5: Solve for x
    x = 987,329,917,478.11/1,035,573.33
  6. Step 6: Final answer
    x = 953,413.81

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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.