Home / 744,899.10-1,027,962.21-422,546.91

Finding the Fourth Proportional to 744,899.10, 1,027,962.21 and 422,546.91

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Solution

The fourth proportional to 744,899.10, 1,027,962.21 and 422,546.91 is: 583,115.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,899.10 : 1,027,962.21 = 422,546.91 : x
  2. Step 2: Convert to fraction form
    744,899.10/1,027,962.21 = 422,546.91/x
  3. Step 3: Cross multiply
    744,899.10x = 1,027,962.21 × 422,546.91
  4. Step 4: Simplify right side
    744,899.10x = 434,362,255,432.27
  5. Step 5: Solve for x
    x = 434,362,255,432.27/744,899.10
  6. Step 6: Final answer
    x = 583,115.56

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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.