Home / 814,005.88-1,123,328.11-451,485.25

Finding the Fourth Proportional to 814,005.88, 1,123,328.11 and 451,485.25

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Solution

The fourth proportional to 814,005.88, 1,123,328.11 and 451,485.25 is: 623,049.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,005.88 : 1,123,328.11 = 451,485.25 : x
  2. Step 2: Convert to fraction form
    814,005.88/1,123,328.11 = 451,485.25/x
  3. Step 3: Cross multiply
    814,005.88x = 1,123,328.11 × 451,485.25
  4. Step 4: Simplify right side
    814,005.88x = 507,166,072,575.38
  5. Step 5: Solve for x
    x = 507,166,072,575.38/814,005.88
  6. Step 6: Final answer
    x = 623,049.64

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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.