Home / 1,263,372.95-1,743,455.40-690,413.13

Finding the Fourth Proportional to 1,263,372.95, 1,743,455.40 and 690,413.13

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Solution

The fourth proportional to 1,263,372.95, 1,743,455.40 and 690,413.13 is: 952,770.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,372.95 : 1,743,455.40 = 690,413.13 : x
  2. Step 2: Convert to fraction form
    1,263,372.95/1,743,455.40 = 690,413.13/x
  3. Step 3: Cross multiply
    1,263,372.95x = 1,743,455.40 × 690,413.13
  4. Step 4: Simplify right side
    1,263,372.95x = 1,203,704,499,729.40
  5. Step 5: Solve for x
    x = 1,203,704,499,729.40/1,263,372.95
  6. Step 6: Final answer
    x = 952,770.52

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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.