Home / 696,858.64-962,077.16-438,956.66

Finding the Fourth Proportional to 696,858.64, 962,077.16 and 438,956.66

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Solution

The fourth proportional to 696,858.64, 962,077.16 and 438,956.66 is: 606,019.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,858.64 : 962,077.16 = 438,956.66 : x
  2. Step 2: Convert to fraction form
    696,858.64/962,077.16 = 438,956.66/x
  3. Step 3: Cross multiply
    696,858.64x = 962,077.16 × 438,956.66
  4. Step 4: Simplify right side
    696,858.64x = 422,310,180,318.47
  5. Step 5: Solve for x
    x = 422,310,180,318.47/696,858.64
  6. Step 6: Final answer
    x = 606,019.87

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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.