Home / 943,620.80-1,415,431.20-569,451.20

Finding the Fourth Proportional to 943,620.80, 1,415,431.20 and 569,451.20

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Solution

The fourth proportional to 943,620.80, 1,415,431.20 and 569,451.20 is: 854,176.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,620.80 : 1,415,431.20 = 569,451.20 : x
  2. Step 2: Convert to fraction form
    943,620.80/1,415,431.20 = 569,451.20/x
  3. Step 3: Cross multiply
    943,620.80x = 1,415,431.20 × 569,451.20
  4. Step 4: Simplify right side
    943,620.80x = 806,018,995,357.44
  5. Step 5: Solve for x
    x = 806,018,995,357.44/943,620.80
  6. Step 6: Final answer
    x = 854,176.80

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.