Home / 3,179,504.23-4,387,673.40-1,729,168.45

Finding the Fourth Proportional to 3,179,504.23, 4,387,673.40 and 1,729,168.45

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Solution

The fourth proportional to 3,179,504.23, 4,387,673.40 and 1,729,168.45 is: 2,386,229.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,504.23 : 4,387,673.40 = 1,729,168.45 : x
  2. Step 2: Convert to fraction form
    3,179,504.23/4,387,673.40 = 1,729,168.45/x
  3. Step 3: Cross multiply
    3,179,504.23x = 4,387,673.40 × 1,729,168.45
  4. Step 4: Simplify right side
    3,179,504.23x = 7,587,026,412,184.23
  5. Step 5: Solve for x
    x = 7,587,026,412,184.23/3,179,504.23
  6. Step 6: Final answer
    x = 2,386,229.38

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1.5x scale

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.