Home / 819,913.66-1,131,531.54-452,389.00

Finding the Fourth Proportional to 819,913.66, 1,131,531.54 and 452,389.00

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Solution

The fourth proportional to 819,913.66, 1,131,531.54 and 452,389.00 is: 624,324.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,913.66 : 1,131,531.54 = 452,389.00 : x
  2. Step 2: Convert to fraction form
    819,913.66/1,131,531.54 = 452,389.00/x
  3. Step 3: Cross multiply
    819,913.66x = 1,131,531.54 × 452,389.00
  4. Step 4: Simplify right side
    819,913.66x = 511,892,415,202.15
  5. Step 5: Solve for x
    x = 511,892,415,202.15/819,913.66
  6. Step 6: Final answer
    x = 624,324.78

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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.