Home / 1,585,963.04-2,188,623.42-860,810.76

Finding the Fourth Proportional to 1,585,963.04, 2,188,623.42 and 860,810.76

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Solution

The fourth proportional to 1,585,963.04, 2,188,623.42 and 860,810.76 is: 1,187,915.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,963.04 : 2,188,623.42 = 860,810.76 : x
  2. Step 2: Convert to fraction form
    1,585,963.04/2,188,623.42 = 860,810.76/x
  3. Step 3: Cross multiply
    1,585,963.04x = 2,188,623.42 × 860,810.76
  4. Step 4: Simplify right side
    1,585,963.04x = 1,883,990,589,524.00
  5. Step 5: Solve for x
    x = 1,883,990,589,524.00/1,585,963.04
  6. Step 6: Final answer
    x = 1,187,915.83

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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.