Home / 814,201.60-1,123,577.72-451,633.45

Finding the Fourth Proportional to 814,201.60, 1,123,577.72 and 451,633.45

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Solution

The fourth proportional to 814,201.60, 1,123,577.72 and 451,633.45 is: 623,242.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,201.60 : 1,123,577.72 = 451,633.45 : x
  2. Step 2: Convert to fraction form
    814,201.60/1,123,577.72 = 451,633.45/x
  3. Step 3: Cross multiply
    814,201.60x = 1,123,577.72 × 451,633.45
  4. Step 4: Simplify right side
    814,201.60x = 507,445,279,768.57
  5. Step 5: Solve for x
    x = 507,445,279,768.57/814,201.60
  6. Step 6: Final answer
    x = 623,242.79

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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.