Home / 814,010.82-1,123,334.91-451,490.19

Finding the Fourth Proportional to 814,010.82, 1,123,334.91 and 451,490.19

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Solution

The fourth proportional to 814,010.82, 1,123,334.91 and 451,490.19 is: 623,056.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,010.82 : 1,123,334.91 = 451,490.19 : x
  2. Step 2: Convert to fraction form
    814,010.82/1,123,334.91 = 451,490.19/x
  3. Step 3: Cross multiply
    814,010.82x = 1,123,334.91 × 451,490.19
  4. Step 4: Simplify right side
    814,010.82x = 507,174,691,949.53
  5. Step 5: Solve for x
    x = 507,174,691,949.53/814,010.82
  6. Step 6: Final answer
    x = 623,056.45

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Half scale
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Double scale
Find fourth proportional to 814,011.82, 1,123,336.29 and 451,491.19
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.