Home / 696,858.66-962,077.20-438,956.69

Finding the Fourth Proportional to 696,858.66, 962,077.20 and 438,956.69

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Solution

The fourth proportional to 696,858.66, 962,077.20 and 438,956.69 is: 606,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,858.66 : 962,077.20 = 438,956.69 : x
  2. Step 2: Convert to fraction form
    696,858.66/962,077.20 = 438,956.69/x
  3. Step 3: Cross multiply
    696,858.66x = 962,077.20 × 438,956.69
  4. Step 4: Simplify right side
    696,858.66x = 422,310,216,231.30
  5. Step 5: Solve for x
    x = 422,310,216,231.30/696,858.66
  6. Step 6: Final answer
    x = 606,019.90

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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.