Home / 1,588,449.81-2,192,081.81-863,311.89

Finding the Fourth Proportional to 1,588,449.81, 2,192,081.81 and 863,311.89

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Solution

The fourth proportional to 1,588,449.81, 2,192,081.81 and 863,311.89 is: 1,191,381.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,449.81 : 2,192,081.81 = 863,311.89 : x
  2. Step 2: Convert to fraction form
    1,588,449.81/2,192,081.81 = 863,311.89/x
  3. Step 3: Cross multiply
    1,588,449.81x = 2,192,081.81 × 863,311.89
  4. Step 4: Simplify right side
    1,588,449.81x = 1,892,450,286,109.16
  5. Step 5: Solve for x
    x = 1,892,450,286,109.16/1,588,449.81
  6. Step 6: Final answer
    x = 1,191,381.86

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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.