Home / 814,343.56-1,123,795.41-451,767.40

Finding the Fourth Proportional to 814,343.56, 1,123,795.41 and 451,767.40

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Solution

The fourth proportional to 814,343.56, 1,123,795.41 and 451,767.40 is: 623,439.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,343.56 : 1,123,795.41 = 451,767.40 : x
  2. Step 2: Convert to fraction form
    814,343.56/1,123,795.41 = 451,767.40/x
  3. Step 3: Cross multiply
    814,343.56x = 1,123,795.41 × 451,767.40
  4. Step 4: Simplify right side
    814,343.56x = 507,694,130,507.63
  5. Step 5: Solve for x
    x = 507,694,130,507.63/814,343.56
  6. Step 6: Final answer
    x = 623,439.73

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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.