Home / 1,585,999.54-2,188,681.58-860,847.42

Finding the Fourth Proportional to 1,585,999.54, 2,188,681.58 and 860,847.42

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Solution

The fourth proportional to 1,585,999.54, 2,188,681.58 and 860,847.42 is: 1,187,970.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,999.54 : 2,188,681.58 = 860,847.42 : x
  2. Step 2: Convert to fraction form
    1,585,999.54/2,188,681.58 = 860,847.42/x
  3. Step 3: Cross multiply
    1,585,999.54x = 2,188,681.58 × 860,847.42
  4. Step 4: Simplify right side
    1,585,999.54x = 1,884,120,901,704.20
  5. Step 5: Solve for x
    x = 1,884,120,901,704.20/1,585,999.54
  6. Step 6: Final answer
    x = 1,187,970.65

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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.