Home / 814,346.56-1,123,799.55-451,770.40

Finding the Fourth Proportional to 814,346.56, 1,123,799.55 and 451,770.40

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Solution

The fourth proportional to 814,346.56, 1,123,799.55 and 451,770.40 is: 623,443.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,346.56 : 1,123,799.55 = 451,770.40 : x
  2. Step 2: Convert to fraction form
    814,346.56/1,123,799.55 = 451,770.40/x
  3. Step 3: Cross multiply
    814,346.56x = 1,123,799.55 × 451,770.40
  4. Step 4: Simplify right side
    814,346.56x = 507,699,372,223.32
  5. Step 5: Solve for x
    x = 507,699,372,223.32/814,346.56
  6. Step 6: Final answer
    x = 623,443.87

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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.