Home / 814,392.80-1,123,996.95-451,933.08

Finding the Fourth Proportional to 814,392.80, 1,123,996.95 and 451,933.08

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Solution

The fourth proportional to 814,392.80, 1,123,996.95 and 451,933.08 is: 623,742.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,392.80 : 1,123,996.95 = 451,933.08 : x
  2. Step 2: Convert to fraction form
    814,392.80/1,123,996.95 = 451,933.08/x
  3. Step 3: Cross multiply
    814,392.80x = 1,123,996.95 × 451,933.08
  4. Step 4: Simplify right side
    814,392.80x = 507,971,403,524.11
  5. Step 5: Solve for x
    x = 507,971,403,524.11/814,392.80
  6. Step 6: Final answer
    x = 623,742.51

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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.