Home / 1,420,661.66-2,131,010.96-474,032.38

Finding the Fourth Proportional to 1,420,661.66, 2,131,010.96 and 474,032.38

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Solution

The fourth proportional to 1,420,661.66, 2,131,010.96 and 474,032.38 is: 711,054.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,661.66 : 2,131,010.96 = 474,032.38 : x
  2. Step 2: Convert to fraction form
    1,420,661.66/2,131,010.96 = 474,032.38/x
  3. Step 3: Cross multiply
    1,420,661.66x = 2,131,010.96 × 474,032.38
  4. Step 4: Simplify right side
    1,420,661.66x = 1,010,168,189,477.20
  5. Step 5: Solve for x
    x = 1,010,168,189,477.20/1,420,661.66
  6. Step 6: Final answer
    x = 711,054.73

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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.