Home / 698,081.07-963,074.87-403,676.39

Finding the Fourth Proportional to 698,081.07, 963,074.87 and 403,676.39

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Solution

The fourth proportional to 698,081.07, 963,074.87 and 403,676.39 is: 556,913.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,081.07 : 963,074.87 = 403,676.39 : x
  2. Step 2: Convert to fraction form
    698,081.07/963,074.87 = 403,676.39/x
  3. Step 3: Cross multiply
    698,081.07x = 963,074.87 × 403,676.39
  4. Step 4: Simplify right side
    698,081.07x = 388,770,588,724.41
  5. Step 5: Solve for x
    x = 388,770,588,724.41/698,081.07
  6. Step 6: Final answer
    x = 556,913.23

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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.