Home / 819,311.33-1,130,716.93-451,860.33

Finding the Fourth Proportional to 819,311.33, 1,130,716.93 and 451,860.33

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Solution

The fourth proportional to 819,311.33, 1,130,716.93 and 451,860.33 is: 623,604.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,311.33 : 1,130,716.93 = 451,860.33 : x
  2. Step 2: Convert to fraction form
    819,311.33/1,130,716.93 = 451,860.33/x
  3. Step 3: Cross multiply
    819,311.33x = 1,130,716.93 × 451,860.33
  4. Step 4: Simplify right side
    819,311.33x = 510,926,123,429.25
  5. Step 5: Solve for x
    x = 510,926,123,429.25/819,311.33
  6. Step 6: Final answer
    x = 623,604.37

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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.