Home / 411,934.10-616,864.35-270,929.30

Finding the Fourth Proportional to 411,934.10, 616,864.35 and 270,929.30

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Solution

The fourth proportional to 411,934.10, 616,864.35 and 270,929.30 is: 405,712.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,934.10 : 616,864.35 = 270,929.30 : x
  2. Step 2: Convert to fraction form
    411,934.10/616,864.35 = 270,929.30/x
  3. Step 3: Cross multiply
    411,934.10x = 616,864.35 × 270,929.30
  4. Step 4: Simplify right side
    411,934.10x = 167,126,626,540.46
  5. Step 5: Solve for x
    x = 167,126,626,540.46/411,934.10
  6. Step 6: Final answer
    x = 405,712.05

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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.