Home / 814,125.14-1,123,627.18-451,665.77

Finding the Fourth Proportional to 814,125.14, 1,123,627.18 and 451,665.77

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Solution

The fourth proportional to 814,125.14, 1,123,627.18 and 451,665.77 is: 623,373.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,125.14 : 1,123,627.18 = 451,665.77 : x
  2. Step 2: Convert to fraction form
    814,125.14/1,123,627.18 = 451,665.77/x
  3. Step 3: Cross multiply
    814,125.14x = 1,123,627.18 × 451,665.77
  4. Step 4: Simplify right side
    814,125.14x = 507,503,938,718.02
  5. Step 5: Solve for x
    x = 507,503,938,718.02/814,125.14
  6. Step 6: Final answer
    x = 623,373.38

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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.