Home / 744,896.34-1,027,980.27-422,620.02

Finding the Fourth Proportional to 744,896.34, 1,027,980.27 and 422,620.02

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Solution

The fourth proportional to 744,896.34, 1,027,980.27 and 422,620.02 is: 583,228.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,896.34 : 1,027,980.27 = 422,620.02 : x
  2. Step 2: Convert to fraction form
    744,896.34/1,027,980.27 = 422,620.02/x
  3. Step 3: Cross multiply
    744,896.34x = 1,027,980.27 × 422,620.02
  4. Step 4: Simplify right side
    744,896.34x = 434,445,042,267.01
  5. Step 5: Solve for x
    x = 434,445,042,267.01/744,896.34
  6. Step 6: Final answer
    x = 583,228.86

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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.