Home / 1,186,233.53-1,778,982.23-427,976.39

Finding the Fourth Proportional to 1,186,233.53, 1,778,982.23 and 427,976.39

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Solution

The fourth proportional to 1,186,233.53, 1,778,982.23 and 427,976.39 is: 641,831.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,233.53 : 1,778,982.23 = 427,976.39 : x
  2. Step 2: Convert to fraction form
    1,186,233.53/1,778,982.23 = 427,976.39/x
  3. Step 3: Cross multiply
    1,186,233.53x = 1,778,982.23 × 427,976.39
  4. Step 4: Simplify right side
    1,186,233.53x = 761,362,381,634.76
  5. Step 5: Solve for x
    x = 761,362,381,634.76/1,186,233.53
  6. Step 6: Final answer
    x = 641,831.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.