Home / 1,086,555.06-1,499,540.91-633,991.86

Finding the Fourth Proportional to 1,086,555.06, 1,499,540.91 and 633,991.86

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Solution

The fourth proportional to 1,086,555.06, 1,499,540.91 and 633,991.86 is: 874,964.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,555.06 : 1,499,540.91 = 633,991.86 : x
  2. Step 2: Convert to fraction form
    1,086,555.06/1,499,540.91 = 633,991.86/x
  3. Step 3: Cross multiply
    1,086,555.06x = 1,499,540.91 × 633,991.86
  4. Step 4: Simplify right side
    1,086,555.06x = 950,696,730,676.99
  5. Step 5: Solve for x
    x = 950,696,730,676.99/1,086,555.06
  6. Step 6: Final answer
    x = 874,964.16

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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.