Home / 814,005.63-1,123,327.76-451,485.00

Finding the Fourth Proportional to 814,005.63, 1,123,327.76 and 451,485.00

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Solution

The fourth proportional to 814,005.63, 1,123,327.76 and 451,485.00 is: 623,049.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,005.63 : 1,123,327.76 = 451,485.00 : x
  2. Step 2: Convert to fraction form
    814,005.63/1,123,327.76 = 451,485.00/x
  3. Step 3: Cross multiply
    814,005.63x = 1,123,327.76 × 451,485.00
  4. Step 4: Simplify right side
    814,005.63x = 507,165,629,235.67
  5. Step 5: Solve for x
    x = 507,165,629,235.67/814,005.63
  6. Step 6: Final answer
    x = 623,049.29

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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.