Home / 826,447.14-1,140,409.44-463,910.88

Finding the Fourth Proportional to 826,447.14, 1,140,409.44 and 463,910.88

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Solution

The fourth proportional to 826,447.14, 1,140,409.44 and 463,910.88 is: 640,147.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,447.14 : 1,140,409.44 = 463,910.88 : x
  2. Step 2: Convert to fraction form
    826,447.14/1,140,409.44 = 463,910.88/x
  3. Step 3: Cross multiply
    826,447.14x = 1,140,409.44 × 463,910.88
  4. Step 4: Simplify right side
    826,447.14x = 529,048,350,195.89
  5. Step 5: Solve for x
    x = 529,048,350,195.89/826,447.14
  6. Step 6: Final answer
    x = 640,147.84

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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.