Home / 1,081,589.45-1,621,892.10-576,020.66

Finding the Fourth Proportional to 1,081,589.45, 1,621,892.10 and 576,020.66

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Solution

The fourth proportional to 1,081,589.45, 1,621,892.10 and 576,020.66 is: 863,768.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,589.45 : 1,621,892.10 = 576,020.66 : x
  2. Step 2: Convert to fraction form
    1,081,589.45/1,621,892.10 = 576,020.66/x
  3. Step 3: Cross multiply
    1,081,589.45x = 1,621,892.10 × 576,020.66
  4. Step 4: Simplify right side
    1,081,589.45x = 934,243,357,890.79
  5. Step 5: Solve for x
    x = 934,243,357,890.79/1,081,589.45
  6. Step 6: Final answer
    x = 863,768.93

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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.