Home / 819,866.67-1,131,364.70-452,348.15

Finding the Fourth Proportional to 819,866.67, 1,131,364.70 and 452,348.15

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Solution

The fourth proportional to 819,866.67, 1,131,364.70 and 452,348.15 is: 624,212.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,866.67 : 1,131,364.70 = 452,348.15 : x
  2. Step 2: Convert to fraction form
    819,866.67/1,131,364.70 = 452,348.15/x
  3. Step 3: Cross multiply
    819,866.67x = 1,131,364.70 × 452,348.15
  4. Step 4: Simplify right side
    819,866.67x = 511,770,729,586.98
  5. Step 5: Solve for x
    x = 511,770,729,586.98/819,866.67
  6. Step 6: Final answer
    x = 624,212.14

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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.