Home / 810,162.88-1,118,003.16-447,528.28

Finding the Fourth Proportional to 810,162.88, 1,118,003.16 and 447,528.28

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Solution

The fourth proportional to 810,162.88, 1,118,003.16 and 447,528.28 is: 617,577.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,162.88 : 1,118,003.16 = 447,528.28 : x
  2. Step 2: Convert to fraction form
    810,162.88/1,118,003.16 = 447,528.28/x
  3. Step 3: Cross multiply
    810,162.88x = 1,118,003.16 × 447,528.28
  4. Step 4: Simplify right side
    810,162.88x = 500,338,031,229.37
  5. Step 5: Solve for x
    x = 500,338,031,229.37/810,162.88
  6. Step 6: Final answer
    x = 617,577.09

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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.