Home / 1,585,999.95-2,188,682.12-860,847.81

Finding the Fourth Proportional to 1,585,999.95, 2,188,682.12 and 860,847.81

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Solution

The fourth proportional to 1,585,999.95, 2,188,682.12 and 860,847.81 is: 1,187,971.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,999.95 : 2,188,682.12 = 860,847.81 : x
  2. Step 2: Convert to fraction form
    1,585,999.95/2,188,682.12 = 860,847.81/x
  3. Step 3: Cross multiply
    1,585,999.95x = 2,188,682.12 × 860,847.81
  4. Step 4: Simplify right side
    1,585,999.95x = 1,884,122,209,788.16
  5. Step 5: Solve for x
    x = 1,884,122,209,788.16/1,585,999.95
  6. Step 6: Final answer
    x = 1,187,971.17

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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.