Home / 886,902.13-1,223,926.11-504,928.90

Finding the Fourth Proportional to 886,902.13, 1,223,926.11 and 504,928.90

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Solution

The fourth proportional to 886,902.13, 1,223,926.11 and 504,928.90 is: 696,802.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,902.13 : 1,223,926.11 = 504,928.90 : x
  2. Step 2: Convert to fraction form
    886,902.13/1,223,926.11 = 504,928.90/x
  3. Step 3: Cross multiply
    886,902.13x = 1,223,926.11 × 504,928.90
  4. Step 4: Simplify right side
    886,902.13x = 617,995,664,403.58
  5. Step 5: Solve for x
    x = 617,995,664,403.58/886,902.13
  6. Step 6: Final answer
    x = 696,802.55

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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.