Home / 672,835.29-1,008,110.46-406,035.20

Finding the Fourth Proportional to 672,835.29, 1,008,110.46 and 406,035.20

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Solution

The fourth proportional to 672,835.29, 1,008,110.46 and 406,035.20 is: 608,363.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,835.29 : 1,008,110.46 = 406,035.20 : x
  2. Step 2: Convert to fraction form
    672,835.29/1,008,110.46 = 406,035.20/x
  3. Step 3: Cross multiply
    672,835.29x = 1,008,110.46 × 406,035.20
  4. Step 4: Simplify right side
    672,835.29x = 409,328,327,207.64
  5. Step 5: Solve for x
    x = 409,328,327,207.64/672,835.29
  6. Step 6: Final answer
    x = 608,363.34

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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.