Home / 1,585,998.95-2,188,680.74-860,846.81

Finding the Fourth Proportional to 1,585,998.95, 2,188,680.74 and 860,846.81

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Solution

The fourth proportional to 1,585,998.95, 2,188,680.74 and 860,846.81 is: 1,187,969.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,998.95 : 2,188,680.74 = 860,846.81 : x
  2. Step 2: Convert to fraction form
    1,585,998.95/2,188,680.74 = 860,846.81/x
  3. Step 3: Cross multiply
    1,585,998.95x = 2,188,680.74 × 860,846.81
  4. Step 4: Simplify right side
    1,585,998.95x = 1,884,118,817,889.80
  5. Step 5: Solve for x
    x = 1,884,118,817,889.80/1,585,998.95
  6. Step 6: Final answer
    x = 1,187,969.78

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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.