Home / 410,821.20-616,404.60-223,966.80

Finding the Fourth Proportional to 410,821.20, 616,404.60 and 223,966.80

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Solution

The fourth proportional to 410,821.20, 616,404.60 and 223,966.80 is: 336,044.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,821.20 : 616,404.60 = 223,966.80 : x
  2. Step 2: Convert to fraction form
    410,821.20/616,404.60 = 223,966.80/x
  3. Step 3: Cross multiply
    410,821.20x = 616,404.60 × 223,966.80
  4. Step 4: Simplify right side
    410,821.20x = 138,054,165,767.28
  5. Step 5: Solve for x
    x = 138,054,165,767.28/410,821.20
  6. Step 6: Final answer
    x = 336,044.41

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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.