Home / 744,475.10-1,027,558.13-422,373.74

Finding the Fourth Proportional to 744,475.10, 1,027,558.13 and 422,373.74

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Solution

The fourth proportional to 744,475.10, 1,027,558.13 and 422,373.74 is: 582,979.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,475.10 : 1,027,558.13 = 422,373.74 : x
  2. Step 2: Convert to fraction form
    744,475.10/1,027,558.13 = 422,373.74/x
  3. Step 3: Cross multiply
    744,475.10x = 1,027,558.13 × 422,373.74
  4. Step 4: Simplify right side
    744,475.10x = 434,013,563,185.85
  5. Step 5: Solve for x
    x = 434,013,563,185.85/744,475.10
  6. Step 6: Final answer
    x = 582,979.29

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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.