Home / 1,131,506.28-1,561,413.51-622,209.06

Finding the Fourth Proportional to 1,131,506.28, 1,561,413.51 and 622,209.06

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Solution

The fourth proportional to 1,131,506.28, 1,561,413.51 and 622,209.06 is: 858,612.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,506.28 : 1,561,413.51 = 622,209.06 : x
  2. Step 2: Convert to fraction form
    1,131,506.28/1,561,413.51 = 622,209.06/x
  3. Step 3: Cross multiply
    1,131,506.28x = 1,561,413.51 × 622,209.06
  4. Step 4: Simplify right side
    1,131,506.28x = 971,525,632,328.40
  5. Step 5: Solve for x
    x = 971,525,632,328.40/1,131,506.28
  6. Step 6: Final answer
    x = 858,612.67

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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.