Home / 456,165.41-683,824.73-216,391.79

Finding the Fourth Proportional to 456,165.41, 683,824.73 and 216,391.79

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Solution

The fourth proportional to 456,165.41, 683,824.73 and 216,391.79 is: 324,386.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,165.41 : 683,824.73 = 216,391.79 : x
  2. Step 2: Convert to fraction form
    456,165.41/683,824.73 = 216,391.79/x
  3. Step 3: Cross multiply
    456,165.41x = 683,824.73 × 216,391.79
  4. Step 4: Simplify right side
    456,165.41x = 147,974,052,869.88
  5. Step 5: Solve for x
    x = 147,974,052,869.88/456,165.41
  6. Step 6: Final answer
    x = 324,386.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.