Home / 814,232.70-1,221,349.05-562,290.30

Finding the Fourth Proportional to 814,232.70, 1,221,349.05 and 562,290.30

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Solution

The fourth proportional to 814,232.70, 1,221,349.05 and 562,290.30 is: 843,435.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,232.70 : 1,221,349.05 = 562,290.30 : x
  2. Step 2: Convert to fraction form
    814,232.70/1,221,349.05 = 562,290.30/x
  3. Step 3: Cross multiply
    814,232.70x = 1,221,349.05 × 562,290.30
  4. Step 4: Simplify right side
    814,232.70x = 686,752,723,729.22
  5. Step 5: Solve for x
    x = 686,752,723,729.22/814,232.70
  6. Step 6: Final answer
    x = 843,435.45

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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.