Home / 819,930.06-1,131,504.93-452,398.77

Finding the Fourth Proportional to 819,930.06, 1,131,504.93 and 452,398.77

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Solution

The fourth proportional to 819,930.06, 1,131,504.93 and 452,398.77 is: 624,311.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,930.06 : 1,131,504.93 = 452,398.77 : x
  2. Step 2: Convert to fraction form
    819,930.06/1,131,504.93 = 452,398.77/x
  3. Step 3: Cross multiply
    819,930.06x = 1,131,504.93 × 452,398.77
  4. Step 4: Simplify right side
    819,930.06x = 511,891,438,580.94
  5. Step 5: Solve for x
    x = 511,891,438,580.94/819,930.06
  6. Step 6: Final answer
    x = 624,311.10

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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.