Home / 814,225.32-1,123,765.44-451,765.80

Finding the Fourth Proportional to 814,225.32, 1,123,765.44 and 451,765.80

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Solution

The fourth proportional to 814,225.32, 1,123,765.44 and 451,765.80 is: 623,511.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,225.32 : 1,123,765.44 = 451,765.80 : x
  2. Step 2: Convert to fraction form
    814,225.32/1,123,765.44 = 451,765.80/x
  3. Step 3: Cross multiply
    814,225.32x = 1,123,765.44 × 451,765.80
  4. Step 4: Simplify right side
    814,225.32x = 507,678,793,013.95
  5. Step 5: Solve for x
    x = 507,678,793,013.95/814,225.32
  6. Step 6: Final answer
    x = 623,511.43

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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.