Home / 810,161.88-1,118,001.78-447,527.28

Finding the Fourth Proportional to 810,161.88, 1,118,001.78 and 447,527.28

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Solution

The fourth proportional to 810,161.88, 1,118,001.78 and 447,527.28 is: 617,575.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,161.88 : 1,118,001.78 = 447,527.28 : x
  2. Step 2: Convert to fraction form
    810,161.88/1,118,001.78 = 447,527.28/x
  3. Step 3: Cross multiply
    810,161.88x = 1,118,001.78 × 447,527.28
  4. Step 4: Simplify right side
    810,161.88x = 500,336,295,638.56
  5. Step 5: Solve for x
    x = 500,336,295,638.56/810,161.88
  6. Step 6: Final answer
    x = 617,575.71

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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.