Home / 696,680.72-961,508.32-410,227.36

Finding the Fourth Proportional to 696,680.72, 961,508.32 and 410,227.36

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Solution

The fourth proportional to 696,680.72, 961,508.32 and 410,227.36 is: 566,166.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,680.72 : 961,508.32 = 410,227.36 : x
  2. Step 2: Convert to fraction form
    696,680.72/961,508.32 = 410,227.36/x
  3. Step 3: Cross multiply
    696,680.72x = 961,508.32 × 410,227.36
  4. Step 4: Simplify right side
    696,680.72x = 394,437,019,731.64
  5. Step 5: Solve for x
    x = 394,437,019,731.64/696,680.72
  6. Step 6: Final answer
    x = 566,166.12

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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.