Home / 1,248,941.85-1,723,581.46-765,413.56

Finding the Fourth Proportional to 1,248,941.85, 1,723,581.46 and 765,413.56

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Solution

The fourth proportional to 1,248,941.85, 1,723,581.46 and 765,413.56 is: 1,056,296.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,941.85 : 1,723,581.46 = 765,413.56 : x
  2. Step 2: Convert to fraction form
    1,248,941.85/1,723,581.46 = 765,413.56/x
  3. Step 3: Cross multiply
    1,248,941.85x = 1,723,581.46 × 765,413.56
  4. Step 4: Simplify right side
    1,248,941.85x = 1,319,252,619,335.06
  5. Step 5: Solve for x
    x = 1,319,252,619,335.06/1,248,941.85
  6. Step 6: Final answer
    x = 1,056,296.28

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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.