Home / 826,481.04-1,140,560.75-463,931.11

Finding the Fourth Proportional to 826,481.04, 1,140,560.75 and 463,931.11

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Solution

The fourth proportional to 826,481.04, 1,140,560.75 and 463,931.11 is: 640,234.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,481.04 : 1,140,560.75 = 463,931.11 : x
  2. Step 2: Convert to fraction form
    826,481.04/1,140,560.75 = 463,931.11/x
  3. Step 3: Cross multiply
    826,481.04x = 1,140,560.75 × 463,931.11
  4. Step 4: Simplify right side
    826,481.04x = 529,141,614,769.93
  5. Step 5: Solve for x
    x = 529,141,614,769.93/826,481.04
  6. Step 6: Final answer
    x = 640,234.43

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Double scale
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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.