Home / 1,589,546.16-2,379,106.80-868,783.86

Finding the Fourth Proportional to 1,589,546.16, 2,379,106.80 and 868,783.86

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Solution

The fourth proportional to 1,589,546.16, 2,379,106.80 and 868,783.86 is: 1,300,326.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589,546.16 : 2,379,106.80 = 868,783.86 : x
  2. Step 2: Convert to fraction form
    1,589,546.16/2,379,106.80 = 868,783.86/x
  3. Step 3: Cross multiply
    1,589,546.16x = 2,379,106.80 × 868,783.86
  4. Step 4: Simplify right side
    1,589,546.16x = 2,066,929,589,056.25
  5. Step 5: Solve for x
    x = 2,066,929,589,056.25/1,589,546.16
  6. Step 6: Final answer
    x = 1,300,326.87

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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.