Home / 696,863.28-962,083.58-438,961.32

Finding the Fourth Proportional to 696,863.28, 962,083.58 and 438,961.32

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Solution

The fourth proportional to 696,863.28, 962,083.58 and 438,961.32 is: 606,026.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,863.28 : 962,083.58 = 438,961.32 : x
  2. Step 2: Convert to fraction form
    696,863.28/962,083.58 = 438,961.32/x
  3. Step 3: Cross multiply
    696,863.28x = 962,083.58 × 438,961.32
  4. Step 4: Simplify right side
    696,863.28x = 422,317,476,032.32
  5. Step 5: Solve for x
    x = 422,317,476,032.32/696,863.28
  6. Step 6: Final answer
    x = 606,026.30

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Double scale
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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.