Home / 814,130.31-1,123,634.31-451,670.93

Finding the Fourth Proportional to 814,130.31, 1,123,634.31 and 451,670.93

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Solution

The fourth proportional to 814,130.31, 1,123,634.31 and 451,670.93 is: 623,380.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,130.31 : 1,123,634.31 = 451,670.93 : x
  2. Step 2: Convert to fraction form
    814,130.31/1,123,634.31 = 451,670.93/x
  3. Step 3: Cross multiply
    814,130.31x = 1,123,634.31 × 451,670.93
  4. Step 4: Simplify right side
    814,130.31x = 507,512,956,586.69
  5. Step 5: Solve for x
    x = 507,512,956,586.69/814,130.31
  6. Step 6: Final answer
    x = 623,380.50

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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.