Home / 411,935.10-616,865.85-270,930.30

Finding the Fourth Proportional to 411,935.10, 616,865.85 and 270,930.30

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Solution

The fourth proportional to 411,935.10, 616,865.85 and 270,930.30 is: 405,713.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,935.10 : 616,865.85 = 270,930.30 : x
  2. Step 2: Convert to fraction form
    411,935.10/616,865.85 = 270,930.30/x
  3. Step 3: Cross multiply
    411,935.10x = 616,865.85 × 270,930.30
  4. Step 4: Simplify right side
    411,935.10x = 167,127,649,800.26
  5. Step 5: Solve for x
    x = 167,127,649,800.26/411,935.10
  6. Step 6: Final answer
    x = 405,713.55

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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.