Home / 807,108.30-1,113,786.57-439,577.22

Finding the Fourth Proportional to 807,108.30, 1,113,786.57 and 439,577.22

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Solution

The fourth proportional to 807,108.30, 1,113,786.57 and 439,577.22 is: 606,604.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,108.30 : 1,113,786.57 = 439,577.22 : x
  2. Step 2: Convert to fraction form
    807,108.30/1,113,786.57 = 439,577.22/x
  3. Step 3: Cross multiply
    807,108.30x = 1,113,786.57 × 439,577.22
  4. Step 4: Simplify right side
    807,108.30x = 489,595,204,113.94
  5. Step 5: Solve for x
    x = 489,595,204,113.94/807,108.30
  6. Step 6: Final answer
    x = 606,604.10

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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.