Home / 828,796.62-1,143,840.60-466,235.76

Finding the Fourth Proportional to 828,796.62, 1,143,840.60 and 466,235.76

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Solution

The fourth proportional to 828,796.62, 1,143,840.60 and 466,235.76 is: 643,462.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,796.62 : 1,143,840.60 = 466,235.76 : x
  2. Step 2: Convert to fraction form
    828,796.62/1,143,840.60 = 466,235.76/x
  3. Step 3: Cross multiply
    828,796.62x = 1,143,840.60 × 466,235.76
  4. Step 4: Simplify right side
    828,796.62x = 533,299,391,459.86
  5. Step 5: Solve for x
    x = 533,299,391,459.86/828,796.62
  6. Step 6: Final answer
    x = 643,462.31

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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.