Home / 886,821.28-1,223,450.88-654,804.32

Finding the Fourth Proportional to 886,821.28, 1,223,450.88 and 654,804.32

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Solution

The fourth proportional to 886,821.28, 1,223,450.88 and 654,804.32 is: 903,362.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,821.28 : 1,223,450.88 = 654,804.32 : x
  2. Step 2: Convert to fraction form
    886,821.28/1,223,450.88 = 654,804.32/x
  3. Step 3: Cross multiply
    886,821.28x = 1,223,450.88 × 654,804.32
  4. Step 4: Simplify right side
    886,821.28x = 801,120,921,531.80
  5. Step 5: Solve for x
    x = 801,120,921,531.80/886,821.28
  6. Step 6: Final answer
    x = 903,362.31

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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.