Home / 874,600.56-1,206,536.40-511,801.92

Finding the Fourth Proportional to 874,600.56, 1,206,536.40 and 511,801.92

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Solution

The fourth proportional to 874,600.56, 1,206,536.40 and 511,801.92 is: 706,045.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,600.56 : 1,206,536.40 = 511,801.92 : x
  2. Step 2: Convert to fraction form
    874,600.56/1,206,536.40 = 511,801.92/x
  3. Step 3: Cross multiply
    874,600.56x = 1,206,536.40 × 511,801.92
  4. Step 4: Simplify right side
    874,600.56x = 617,507,646,069.89
  5. Step 5: Solve for x
    x = 617,507,646,069.89/874,600.56
  6. Step 6: Final answer
    x = 706,045.34

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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.