Home / 682,416.90-1,023,588.45-209,103.66

Finding the Fourth Proportional to 682,416.90, 1,023,588.45 and 209,103.66

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Solution

The fourth proportional to 682,416.90, 1,023,588.45 and 209,103.66 is: 313,644.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,416.90 : 1,023,588.45 = 209,103.66 : x
  2. Step 2: Convert to fraction form
    682,416.90/1,023,588.45 = 209,103.66/x
  3. Step 3: Cross multiply
    682,416.90x = 1,023,588.45 × 209,103.66
  4. Step 4: Simplify right side
    682,416.90x = 214,036,091,228.73
  5. Step 5: Solve for x
    x = 214,036,091,228.73/682,416.90
  6. Step 6: Final answer
    x = 313,644.18

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Double scale
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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.