Home / 678,068.20-936,231.78-594,087.40

Finding the Fourth Proportional to 678,068.20, 936,231.78 and 594,087.40

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Solution

The fourth proportional to 678,068.20, 936,231.78 and 594,087.40 is: 820,276.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,068.20 : 936,231.78 = 594,087.40 : x
  2. Step 2: Convert to fraction form
    678,068.20/936,231.78 = 594,087.40/x
  3. Step 3: Cross multiply
    678,068.20x = 936,231.78 × 594,087.40
  4. Step 4: Simplify right side
    678,068.20x = 556,203,503,977.57
  5. Step 5: Solve for x
    x = 556,203,503,977.57/678,068.20
  6. Step 6: Final answer
    x = 820,276.64

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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.