Home / 729,036.80-1,093,555.20-613,563.20

Finding the Fourth Proportional to 729,036.80, 1,093,555.20 and 613,563.20

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Solution

The fourth proportional to 729,036.80, 1,093,555.20 and 613,563.20 is: 920,344.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,036.80 : 1,093,555.20 = 613,563.20 : x
  2. Step 2: Convert to fraction form
    729,036.80/1,093,555.20 = 613,563.20/x
  3. Step 3: Cross multiply
    729,036.80x = 1,093,555.20 × 613,563.20
  4. Step 4: Simplify right side
    729,036.80x = 670,965,227,888.64
  5. Step 5: Solve for x
    x = 670,965,227,888.64/729,036.80
  6. Step 6: Final answer
    x = 920,344.80

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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.