Home / 1,489,810.37-2,055,795.93-836,286.77

Finding the Fourth Proportional to 1,489,810.37, 2,055,795.93 and 836,286.77

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Solution

The fourth proportional to 1,489,810.37, 2,055,795.93 and 836,286.77 is: 1,153,995.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,810.37 : 2,055,795.93 = 836,286.77 : x
  2. Step 2: Convert to fraction form
    1,489,810.37/2,055,795.93 = 836,286.77/x
  3. Step 3: Cross multiply
    1,489,810.37x = 2,055,795.93 × 836,286.77
  4. Step 4: Simplify right side
    1,489,810.37x = 1,719,234,943,218.34
  5. Step 5: Solve for x
    x = 1,719,234,943,218.34/1,489,810.37
  6. Step 6: Final answer
    x = 1,153,995.83

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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.