Home / 814,878.38-1,124,544.51-447,385.82

Finding the Fourth Proportional to 814,878.38, 1,124,544.51 and 447,385.82

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Solution

The fourth proportional to 814,878.38, 1,124,544.51 and 447,385.82 is: 617,399.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,878.38 : 1,124,544.51 = 447,385.82 : x
  2. Step 2: Convert to fraction form
    814,878.38/1,124,544.51 = 447,385.82/x
  3. Step 3: Cross multiply
    814,878.38x = 1,124,544.51 × 447,385.82
  4. Step 4: Simplify right side
    814,878.38x = 503,105,267,732.85
  5. Step 5: Solve for x
    x = 503,105,267,732.85/814,878.38
  6. Step 6: Final answer
    x = 617,399.21

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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.