Home / 756,451.72-1,043,900.22-416,919.88

Finding the Fourth Proportional to 756,451.72, 1,043,900.22 and 416,919.88

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Solution

The fourth proportional to 756,451.72, 1,043,900.22 and 416,919.88 is: 575,347.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,451.72 : 1,043,900.22 = 416,919.88 : x
  2. Step 2: Convert to fraction form
    756,451.72/1,043,900.22 = 416,919.88/x
  3. Step 3: Cross multiply
    756,451.72x = 1,043,900.22 × 416,919.88
  4. Step 4: Simplify right side
    756,451.72x = 435,222,754,454.37
  5. Step 5: Solve for x
    x = 435,222,754,454.37/756,451.72
  6. Step 6: Final answer
    x = 575,347.70

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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.