Home / 868,093.20-1,302,204.60-307,054.80

Finding the Fourth Proportional to 868,093.20, 1,302,204.60 and 307,054.80

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Solution

The fourth proportional to 868,093.20, 1,302,204.60 and 307,054.80 is: 460,605.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,093.20 : 1,302,204.60 = 307,054.80 : x
  2. Step 2: Convert to fraction form
    868,093.20/1,302,204.60 = 307,054.80/x
  3. Step 3: Cross multiply
    868,093.20x = 1,302,204.60 × 307,054.80
  4. Step 4: Simplify right side
    868,093.20x = 399,848,173,012.08
  5. Step 5: Solve for x
    x = 399,848,173,012.08/868,093.20
  6. Step 6: Final answer
    x = 460,605.12

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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.