Home / 1,585,957.35-2,188,593.69-860,789.51

Finding the Fourth Proportional to 1,585,957.35, 2,188,593.69 and 860,789.51

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Solution

The fourth proportional to 1,585,957.35, 2,188,593.69 and 860,789.51 is: 1,187,874.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,957.35 : 2,188,593.69 = 860,789.51 : x
  2. Step 2: Convert to fraction form
    1,585,957.35/2,188,593.69 = 860,789.51/x
  3. Step 3: Cross multiply
    1,585,957.35x = 2,188,593.69 × 860,789.51
  4. Step 4: Simplify right side
    1,585,957.35x = 1,883,918,484,040.49
  5. Step 5: Solve for x
    x = 1,883,918,484,040.49/1,585,957.35
  6. Step 6: Final answer
    x = 1,187,874.62

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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.