Home / 744,298.32-1,027,107.64-422,037.12

Finding the Fourth Proportional to 744,298.32, 1,027,107.64 and 422,037.12

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Solution

The fourth proportional to 744,298.32, 1,027,107.64 and 422,037.12 is: 582,397.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,298.32 : 1,027,107.64 = 422,037.12 : x
  2. Step 2: Convert to fraction form
    744,298.32/1,027,107.64 = 422,037.12/x
  3. Step 3: Cross multiply
    744,298.32x = 1,027,107.64 × 422,037.12
  4. Step 4: Simplify right side
    744,298.32x = 433,477,550,315.60
  5. Step 5: Solve for x
    x = 433,477,550,315.60/744,298.32
  6. Step 6: Final answer
    x = 582,397.59

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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.