Home / 1,585,995.93-2,188,615.73-860,828.22

Finding the Fourth Proportional to 1,585,995.93, 2,188,615.73 and 860,828.22

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Solution

The fourth proportional to 1,585,995.93, 2,188,615.73 and 860,828.22 is: 1,187,911.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,995.93 : 2,188,615.73 = 860,828.22 : x
  2. Step 2: Convert to fraction form
    1,585,995.93/2,188,615.73 = 860,828.22/x
  3. Step 3: Cross multiply
    1,585,995.93x = 2,188,615.73 × 860,828.22
  4. Step 4: Simplify right side
    1,585,995.93x = 1,884,022,178,815.76
  5. Step 5: Solve for x
    x = 1,884,022,178,815.76/1,585,995.93
  6. Step 6: Final answer
    x = 1,187,911.11

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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.