Home / 813,677.18-1,122,910.07-451,078.02

Finding the Fourth Proportional to 813,677.18, 1,122,910.07 and 451,078.02

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Solution

The fourth proportional to 813,677.18, 1,122,910.07 and 451,078.02 is: 622,507.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,677.18 : 1,122,910.07 = 451,078.02 : x
  2. Step 2: Convert to fraction form
    813,677.18/1,122,910.07 = 451,078.02/x
  3. Step 3: Cross multiply
    813,677.18x = 1,122,910.07 × 451,078.02
  4. Step 4: Simplify right side
    813,677.18x = 506,520,048,758.27
  5. Step 5: Solve for x
    x = 506,520,048,758.27/813,677.18
  6. Step 6: Final answer
    x = 622,507.38

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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.