Home / 807,788.92-1,114,703.22-445,211.68

Finding the Fourth Proportional to 807,788.92, 1,114,703.22 and 445,211.68

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Solution

The fourth proportional to 807,788.92, 1,114,703.22 and 445,211.68 is: 614,367.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,788.92 : 1,114,703.22 = 445,211.68 : x
  2. Step 2: Convert to fraction form
    807,788.92/1,114,703.22 = 445,211.68/x
  3. Step 3: Cross multiply
    807,788.92x = 1,114,703.22 × 445,211.68
  4. Step 4: Simplify right side
    807,788.92x = 496,278,893,277.61
  5. Step 5: Solve for x
    x = 496,278,893,277.61/807,788.92
  6. Step 6: Final answer
    x = 614,367.05

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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.