Home / 738,855.36-1,108,292.16-206,344.32

Finding the Fourth Proportional to 738,855.36, 1,108,292.16 and 206,344.32

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Solution

The fourth proportional to 738,855.36, 1,108,292.16 and 206,344.32 is: 309,519.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,855.36 : 1,108,292.16 = 206,344.32 : x
  2. Step 2: Convert to fraction form
    738,855.36/1,108,292.16 = 206,344.32/x
  3. Step 3: Cross multiply
    738,855.36x = 1,108,292.16 × 206,344.32
  4. Step 4: Simplify right side
    738,855.36x = 228,689,792,116.53
  5. Step 5: Solve for x
    x = 228,689,792,116.53/738,855.36
  6. Step 6: Final answer
    x = 309,519.03

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Double scale
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Similar ratio
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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.