Home / 578,949.70-868,165.35-263,244.10

Finding the Fourth Proportional to 578,949.70, 868,165.35 and 263,244.10

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Solution

The fourth proportional to 578,949.70, 868,165.35 and 263,244.10 is: 394,748.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,949.70 : 868,165.35 = 263,244.10 : x
  2. Step 2: Convert to fraction form
    578,949.70/868,165.35 = 263,244.10/x
  3. Step 3: Cross multiply
    578,949.70x = 868,165.35 × 263,244.10
  4. Step 4: Simplify right side
    578,949.70x = 228,539,406,211.94
  5. Step 5: Solve for x
    x = 228,539,406,211.94/578,949.70
  6. Step 6: Final answer
    x = 394,748.29

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.