Home / 1,066,198.80-1,596,965.40-644,739.60

Finding the Fourth Proportional to 1,066,198.80, 1,596,965.40 and 644,739.60

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Solution

The fourth proportional to 1,066,198.80, 1,596,965.40 and 644,739.60 is: 965,698.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,198.80 : 1,596,965.40 = 644,739.60 : x
  2. Step 2: Convert to fraction form
    1,066,198.80/1,596,965.40 = 644,739.60/x
  3. Step 3: Cross multiply
    1,066,198.80x = 1,596,965.40 × 644,739.60
  4. Step 4: Simplify right side
    1,066,198.80x = 1,029,626,833,209.84
  5. Step 5: Solve for x
    x = 1,029,626,833,209.84/1,066,198.80
  6. Step 6: Final answer
    x = 965,698.74

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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.