Home / 783,716.92-1,080,514.69-507,583.56

Finding the Fourth Proportional to 783,716.92, 1,080,514.69 and 507,583.56

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Solution

The fourth proportional to 783,716.92, 1,080,514.69 and 507,583.56 is: 699,808.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,716.92 : 1,080,514.69 = 507,583.56 : x
  2. Step 2: Convert to fraction form
    783,716.92/1,080,514.69 = 507,583.56/x
  3. Step 3: Cross multiply
    783,716.92x = 1,080,514.69 × 507,583.56
  4. Step 4: Simplify right side
    783,716.92x = 548,451,495,765.47
  5. Step 5: Solve for x
    x = 548,451,495,765.47/783,716.92
  6. Step 6: Final answer
    x = 699,808.16

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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.