Home / 874,450.46-1,206,827.70-511,852.34

Finding the Fourth Proportional to 874,450.46, 1,206,827.70 and 511,852.34

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Solution

The fourth proportional to 874,450.46, 1,206,827.70 and 511,852.34 is: 706,406.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,450.46 : 1,206,827.70 = 511,852.34 : x
  2. Step 2: Convert to fraction form
    874,450.46/1,206,827.70 = 511,852.34/x
  3. Step 3: Cross multiply
    874,450.46x = 1,206,827.70 × 511,852.34
  4. Step 4: Simplify right side
    874,450.46x = 617,717,582,221.82
  5. Step 5: Solve for x
    x = 617,717,582,221.82/874,450.46
  6. Step 6: Final answer
    x = 706,406.61

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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.