Home / 874,506.06-1,206,820.89-507,054.42

Finding the Fourth Proportional to 874,506.06, 1,206,820.89 and 507,054.42

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Solution

The fourth proportional to 874,506.06, 1,206,820.89 and 507,054.42 is: 699,736.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,506.06 : 1,206,820.89 = 507,054.42 : x
  2. Step 2: Convert to fraction form
    874,506.06/1,206,820.89 = 507,054.42/x
  3. Step 3: Cross multiply
    874,506.06x = 1,206,820.89 × 507,054.42
  4. Step 4: Simplify right side
    874,506.06x = 611,923,866,422.83
  5. Step 5: Solve for x
    x = 611,923,866,422.83/874,506.06
  6. Step 6: Final answer
    x = 699,736.56

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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.