Home / 1,066,091.80-1,597,064.10-644,114.20

Finding the Fourth Proportional to 1,066,091.80, 1,597,064.10 and 644,114.20

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Solution

The fourth proportional to 1,066,091.80, 1,597,064.10 and 644,114.20 is: 964,918.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,091.80 : 1,597,064.10 = 644,114.20 : x
  2. Step 2: Convert to fraction form
    1,066,091.80/1,597,064.10 = 644,114.20/x
  3. Step 3: Cross multiply
    1,066,091.80x = 1,597,064.10 × 644,114.20
  4. Step 4: Simplify right side
    1,066,091.80x = 1,028,691,665,120.22
  5. Step 5: Solve for x
    x = 1,028,691,665,120.22/1,066,091.80
  6. Step 6: Final answer
    x = 964,918.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.