Home / 814,072.95-1,123,489.67-451,613.58

Finding the Fourth Proportional to 814,072.95, 1,123,489.67 and 451,613.58

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Solution

The fourth proportional to 814,072.95, 1,123,489.67 and 451,613.58 is: 623,265.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,072.95 : 1,123,489.67 = 451,613.58 : x
  2. Step 2: Convert to fraction form
    814,072.95/1,123,489.67 = 451,613.58/x
  3. Step 3: Cross multiply
    814,072.95x = 1,123,489.67 × 451,613.58
  4. Step 4: Simplify right side
    814,072.95x = 507,383,187,597.11
  5. Step 5: Solve for x
    x = 507,383,187,597.11/814,072.95
  6. Step 6: Final answer
    x = 623,265.01

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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.