Home / 814,260.60-1,221,390.90-562,318.20

Finding the Fourth Proportional to 814,260.60, 1,221,390.90 and 562,318.20

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Solution

The fourth proportional to 814,260.60, 1,221,390.90 and 562,318.20 is: 843,477.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,260.60 : 1,221,390.90 = 562,318.20 : x
  2. Step 2: Convert to fraction form
    814,260.60/1,221,390.90 = 562,318.20/x
  3. Step 3: Cross multiply
    814,260.60x = 1,221,390.90 × 562,318.20
  4. Step 4: Simplify right side
    814,260.60x = 686,810,332,384.38
  5. Step 5: Solve for x
    x = 686,810,332,384.38/814,260.60
  6. Step 6: Final answer
    x = 843,477.30

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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.