Home / 874,449.46-1,206,826.32-511,851.34

Finding the Fourth Proportional to 874,449.46, 1,206,826.32 and 511,851.34

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Solution

The fourth proportional to 874,449.46, 1,206,826.32 and 511,851.34 is: 706,405.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,449.46 : 1,206,826.32 = 511,851.34 : x
  2. Step 2: Convert to fraction form
    874,449.46/1,206,826.32 = 511,851.34/x
  3. Step 3: Cross multiply
    874,449.46x = 1,206,826.32 × 511,851.34
  4. Step 4: Simplify right side
    874,449.46x = 617,715,669,039.27
  5. Step 5: Solve for x
    x = 617,715,669,039.27/874,449.46
  6. Step 6: Final answer
    x = 706,405.23

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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.