Home / 696,844.56-962,057.78-438,942.58

Finding the Fourth Proportional to 696,844.56, 962,057.78 and 438,942.58

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Solution

The fourth proportional to 696,844.56, 962,057.78 and 438,942.58 is: 606,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,844.56 : 962,057.78 = 438,942.58 : x
  2. Step 2: Convert to fraction form
    696,844.56/962,057.78 = 438,942.58/x
  3. Step 3: Cross multiply
    696,844.56x = 962,057.78 × 438,942.58
  4. Step 4: Simplify right side
    696,844.56x = 422,288,120,767.28
  5. Step 5: Solve for x
    x = 422,288,120,767.28/696,844.56
  6. Step 6: Final answer
    x = 606,000.45

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1.5x scale

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.