Home / 914,891.22-1,262,598.44-507,037.59

Finding the Fourth Proportional to 914,891.22, 1,262,598.44 and 507,037.59

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Solution

The fourth proportional to 914,891.22, 1,262,598.44 and 507,037.59 is: 699,738.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,891.22 : 1,262,598.44 = 507,037.59 : x
  2. Step 2: Convert to fraction form
    914,891.22/1,262,598.44 = 507,037.59/x
  3. Step 3: Cross multiply
    914,891.22x = 1,262,598.44 × 507,037.59
  4. Step 4: Simplify right side
    914,891.22x = 640,184,867,620.17
  5. Step 5: Solve for x
    x = 640,184,867,620.17/914,891.22
  6. Step 6: Final answer
    x = 699,738.78

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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.