Home / 886,928.14-1,223,930.55-504,881.02

Finding the Fourth Proportional to 886,928.14, 1,223,930.55 and 504,881.02

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Solution

The fourth proportional to 886,928.14, 1,223,930.55 and 504,881.02 is: 696,718.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,928.14 : 1,223,930.55 = 504,881.02 : x
  2. Step 2: Convert to fraction form
    886,928.14/1,223,930.55 = 504,881.02/x
  3. Step 3: Cross multiply
    886,928.14x = 1,223,930.55 × 504,881.02
  4. Step 4: Simplify right side
    886,928.14x = 617,939,304,493.16
  5. Step 5: Solve for x
    x = 617,939,304,493.16/886,928.14
  6. Step 6: Final answer
    x = 696,718.57

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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.