Home / 744,754.52-1,027,730.96-422,457.69

Finding the Fourth Proportional to 744,754.52, 1,027,730.96 and 422,457.69

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Solution

The fourth proportional to 744,754.52, 1,027,730.96 and 422,457.69 is: 582,974.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,754.52 : 1,027,730.96 = 422,457.69 : x
  2. Step 2: Convert to fraction form
    744,754.52/1,027,730.96 = 422,457.69/x
  3. Step 3: Cross multiply
    744,754.52x = 1,027,730.96 × 422,457.69
  4. Step 4: Simplify right side
    744,754.52x = 434,172,847,303.08
  5. Step 5: Solve for x
    x = 434,172,847,303.08/744,754.52
  6. Step 6: Final answer
    x = 582,974.44

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Double scale
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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.