Home / 411,919.10-616,841.85-270,914.30

Finding the Fourth Proportional to 411,919.10, 616,841.85 and 270,914.30

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Solution

The fourth proportional to 411,919.10, 616,841.85 and 270,914.30 is: 405,689.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,919.10 : 616,841.85 = 270,914.30 : x
  2. Step 2: Convert to fraction form
    411,919.10/616,841.85 = 270,914.30/x
  3. Step 3: Cross multiply
    411,919.10x = 616,841.85 × 270,914.30
  4. Step 4: Simplify right side
    411,919.10x = 167,111,278,003.46
  5. Step 5: Solve for x
    x = 167,111,278,003.46/411,919.10
  6. Step 6: Final answer
    x = 405,689.56

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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.