Home / 672,832.29-1,008,105.96-406,032.19

Finding the Fourth Proportional to 672,832.29, 1,008,105.96 and 406,032.19

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Solution

The fourth proportional to 672,832.29, 1,008,105.96 and 406,032.19 is: 608,358.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,832.29 : 1,008,105.96 = 406,032.19 : x
  2. Step 2: Convert to fraction form
    672,832.29/1,008,105.96 = 406,032.19/x
  3. Step 3: Cross multiply
    672,832.29x = 1,008,105.96 × 406,032.19
  4. Step 4: Simplify right side
    672,832.29x = 409,323,466,647.97
  5. Step 5: Solve for x
    x = 409,323,466,647.97/672,832.29
  6. Step 6: Final answer
    x = 608,358.83

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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.