Home / 905,575.70-1,358,363.55-811,097.30

Finding the Fourth Proportional to 905,575.70, 1,358,363.55 and 811,097.30

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Solution

The fourth proportional to 905,575.70, 1,358,363.55 and 811,097.30 is: 1,216,645.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,575.70 : 1,358,363.55 = 811,097.30 : x
  2. Step 2: Convert to fraction form
    905,575.70/1,358,363.55 = 811,097.30/x
  3. Step 3: Cross multiply
    905,575.70x = 1,358,363.55 × 811,097.30
  4. Step 4: Simplify right side
    905,575.70x = 1,101,765,007,823.42
  5. Step 5: Solve for x
    x = 1,101,765,007,823.42/905,575.70
  6. Step 6: Final answer
    x = 1,216,645.95

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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.