Home / 814,146.52-1,123,476.32-451,544.36

Finding the Fourth Proportional to 814,146.52, 1,123,476.32 and 451,544.36

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Solution

The fourth proportional to 814,146.52, 1,123,476.32 and 451,544.36 is: 623,105.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,146.52 : 1,123,476.32 = 451,544.36 : x
  2. Step 2: Convert to fraction form
    814,146.52/1,123,476.32 = 451,544.36/x
  3. Step 3: Cross multiply
    814,146.52x = 1,123,476.32 × 451,544.36
  4. Step 4: Simplify right side
    814,146.52x = 507,299,395,889.56
  5. Step 5: Solve for x
    x = 507,299,395,889.56/814,146.52
  6. Step 6: Final answer
    x = 623,105.77

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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.