Home / 842,200.08-1,162,186.76-460,229.84

Finding the Fourth Proportional to 842,200.08, 1,162,186.76 and 460,229.84

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Solution

The fourth proportional to 842,200.08, 1,162,186.76 and 460,229.84 is: 635,090.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,200.08 : 1,162,186.76 = 460,229.84 : x
  2. Step 2: Convert to fraction form
    842,200.08/1,162,186.76 = 460,229.84/x
  3. Step 3: Cross multiply
    842,200.08x = 1,162,186.76 × 460,229.84
  4. Step 4: Simplify right side
    842,200.08x = 534,873,026,604.92
  5. Step 5: Solve for x
    x = 534,873,026,604.92/842,200.08
  6. Step 6: Final answer
    x = 635,090.21

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.