Home / 696,078.40-1,044,232.80-296,910.40

Finding the Fourth Proportional to 696,078.40, 1,044,232.80 and 296,910.40

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Solution

The fourth proportional to 696,078.40, 1,044,232.80 and 296,910.40 is: 445,414.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,078.40 : 1,044,232.80 = 296,910.40 : x
  2. Step 2: Convert to fraction form
    696,078.40/1,044,232.80 = 296,910.40/x
  3. Step 3: Cross multiply
    696,078.40x = 1,044,232.80 × 296,910.40
  4. Step 4: Simplify right side
    696,078.40x = 310,043,578,341.12
  5. Step 5: Solve for x
    x = 310,043,578,341.12/696,078.40
  6. Step 6: Final answer
    x = 445,414.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.