Home / 1,585,998.18-2,188,618.83-860,830.47

Finding the Fourth Proportional to 1,585,998.18, 2,188,618.83 and 860,830.47

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Solution

The fourth proportional to 1,585,998.18, 2,188,618.83 and 860,830.47 is: 1,187,914.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,998.18 : 2,188,618.83 = 860,830.47 : x
  2. Step 2: Convert to fraction form
    1,585,998.18/2,188,618.83 = 860,830.47/x
  3. Step 3: Cross multiply
    1,585,998.18x = 2,188,618.83 × 860,830.47
  4. Step 4: Simplify right side
    1,585,998.18x = 1,884,029,776,079.75
  5. Step 5: Solve for x
    x = 1,884,029,776,079.75/1,585,998.18
  6. Step 6: Final answer
    x = 1,187,914.21

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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.