Home / 723,239.60-1,084,859.40-197,927.60

Finding the Fourth Proportional to 723,239.60, 1,084,859.40 and 197,927.60

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Solution

The fourth proportional to 723,239.60, 1,084,859.40 and 197,927.60 is: 296,891.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,239.60 : 1,084,859.40 = 197,927.60 : x
  2. Step 2: Convert to fraction form
    723,239.60/1,084,859.40 = 197,927.60/x
  3. Step 3: Cross multiply
    723,239.60x = 1,084,859.40 × 197,927.60
  4. Step 4: Simplify right side
    723,239.60x = 214,723,617,379.44
  5. Step 5: Solve for x
    x = 214,723,617,379.44/723,239.60
  6. Step 6: Final answer
    x = 296,891.40

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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.