Home / 672,021.65-1,008,032.48-336,098.45

Finding the Fourth Proportional to 672,021.65, 1,008,032.48 and 336,098.45

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Solution

The fourth proportional to 672,021.65, 1,008,032.48 and 336,098.45 is: 504,147.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,021.65 : 1,008,032.48 = 336,098.45 : x
  2. Step 2: Convert to fraction form
    672,021.65/1,008,032.48 = 336,098.45/x
  3. Step 3: Cross multiply
    672,021.65x = 1,008,032.48 × 336,098.45
  4. Step 4: Simplify right side
    672,021.65x = 338,798,152,397.16
  5. Step 5: Solve for x
    x = 338,798,152,397.16/672,021.65
  6. Step 6: Final answer
    x = 504,147.68

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Double scale
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Similar ratio
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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.