Home / 810,227.17-1,118,125.20-447,659.38

Finding the Fourth Proportional to 810,227.17, 1,118,125.20 and 447,659.38

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Solution

The fourth proportional to 810,227.17, 1,118,125.20 and 447,659.38 is: 617,776.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,227.17 : 1,118,125.20 = 447,659.38 : x
  2. Step 2: Convert to fraction form
    810,227.17/1,118,125.20 = 447,659.38/x
  3. Step 3: Cross multiply
    810,227.17x = 1,118,125.20 × 447,659.38
  4. Step 4: Simplify right side
    810,227.17x = 500,539,233,794.38
  5. Step 5: Solve for x
    x = 500,539,233,794.38/810,227.17
  6. Step 6: Final answer
    x = 617,776.41

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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.