Home / 979,598.75-1,469,398.13-348,514.39

Finding the Fourth Proportional to 979,598.75, 1,469,398.13 and 348,514.39

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Solution

The fourth proportional to 979,598.75, 1,469,398.13 and 348,514.39 is: 522,771.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,598.75 : 1,469,398.13 = 348,514.39 : x
  2. Step 2: Convert to fraction form
    979,598.75/1,469,398.13 = 348,514.39/x
  3. Step 3: Cross multiply
    979,598.75x = 1,469,398.13 × 348,514.39
  4. Step 4: Simplify right side
    979,598.75x = 512,106,383,854.53
  5. Step 5: Solve for x
    x = 512,106,383,854.53/979,598.75
  6. Step 6: Final answer
    x = 522,771.58

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Half scale
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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.