Home / 826,699.43-1,140,911.16-464,147.12

Finding the Fourth Proportional to 826,699.43, 1,140,911.16 and 464,147.12

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Solution

The fourth proportional to 826,699.43, 1,140,911.16 and 464,147.12 is: 640,560.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,699.43 : 1,140,911.16 = 464,147.12 : x
  2. Step 2: Convert to fraction form
    826,699.43/1,140,911.16 = 464,147.12/x
  3. Step 3: Cross multiply
    826,699.43x = 1,140,911.16 × 464,147.12
  4. Step 4: Simplify right side
    826,699.43x = 529,550,629,089.86
  5. Step 5: Solve for x
    x = 529,550,629,089.86/826,699.43
  6. Step 6: Final answer
    x = 640,560.05

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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.