Home / 822,904.40-1,234,356.60-261,995.60

Finding the Fourth Proportional to 822,904.40, 1,234,356.60 and 261,995.60

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Solution

The fourth proportional to 822,904.40, 1,234,356.60 and 261,995.60 is: 392,993.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,904.40 : 1,234,356.60 = 261,995.60 : x
  2. Step 2: Convert to fraction form
    822,904.40/1,234,356.60 = 261,995.60/x
  3. Step 3: Cross multiply
    822,904.40x = 1,234,356.60 × 261,995.60
  4. Step 4: Simplify right side
    822,904.40x = 323,395,998,030.96
  5. Step 5: Solve for x
    x = 323,395,998,030.96/822,904.40
  6. Step 6: Final answer
    x = 392,993.40

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.