Home / 1,588,370.12-2,191,967.56-863,217.82

Finding the Fourth Proportional to 1,588,370.12, 2,191,967.56 and 863,217.82

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Solution

The fourth proportional to 1,588,370.12, 2,191,967.56 and 863,217.82 is: 1,191,249.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,370.12 : 2,191,967.56 = 863,217.82 : x
  2. Step 2: Convert to fraction form
    1,588,370.12/2,191,967.56 = 863,217.82/x
  3. Step 3: Cross multiply
    1,588,370.12x = 2,191,967.56 × 863,217.82
  4. Step 4: Simplify right side
    1,588,370.12x = 1,892,145,458,653.92
  5. Step 5: Solve for x
    x = 1,892,145,458,653.92/1,588,370.12
  6. Step 6: Final answer
    x = 1,191,249.72

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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.