Home / 696,633.08-960,945.38-438,099.96

Finding the Fourth Proportional to 696,633.08, 960,945.38 and 438,099.96

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Solution

The fourth proportional to 696,633.08, 960,945.38 and 438,099.96 is: 604,321.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,633.08 : 960,945.38 = 438,099.96 : x
  2. Step 2: Convert to fraction form
    696,633.08/960,945.38 = 438,099.96/x
  3. Step 3: Cross multiply
    696,633.08x = 960,945.38 × 438,099.96
  4. Step 4: Simplify right side
    696,633.08x = 420,990,132,540.19
  5. Step 5: Solve for x
    x = 420,990,132,540.19/696,633.08
  6. Step 6: Final answer
    x = 604,321.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.