Home / 834,038.72-1,150,945.44-494,305.28

Finding the Fourth Proportional to 834,038.72, 1,150,945.44 and 494,305.28

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Solution

The fourth proportional to 834,038.72, 1,150,945.44 and 494,305.28 is: 682,124.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,038.72 : 1,150,945.44 = 494,305.28 : x
  2. Step 2: Convert to fraction form
    834,038.72/1,150,945.44 = 494,305.28/x
  3. Step 3: Cross multiply
    834,038.72x = 1,150,945.44 × 494,305.28
  4. Step 4: Simplify right side
    834,038.72x = 568,918,407,983.92
  5. Step 5: Solve for x
    x = 568,918,407,983.92/834,038.72
  6. Step 6: Final answer
    x = 682,124.70

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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.