Home / 910,399.24-1,365,559.96-311,413.96

Finding the Fourth Proportional to 910,399.24, 1,365,559.96 and 311,413.96

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Solution

The fourth proportional to 910,399.24, 1,365,559.96 and 311,413.96 is: 467,107.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,399.24 : 1,365,559.96 = 311,413.96 : x
  2. Step 2: Convert to fraction form
    910,399.24/1,365,559.96 = 311,413.96/x
  3. Step 3: Cross multiply
    910,399.24x = 1,365,559.96 × 311,413.96
  4. Step 4: Simplify right side
    910,399.24x = 425,254,434,761.04
  5. Step 5: Solve for x
    x = 425,254,434,761.04/910,399.24
  6. Step 6: Final answer
    x = 467,107.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.