Home / 777,831.40-1,166,747.10-591,207.40

Finding the Fourth Proportional to 777,831.40, 1,166,747.10 and 591,207.40

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Solution

The fourth proportional to 777,831.40, 1,166,747.10 and 591,207.40 is: 886,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,831.40 : 1,166,747.10 = 591,207.40 : x
  2. Step 2: Convert to fraction form
    777,831.40/1,166,747.10 = 591,207.40/x
  3. Step 3: Cross multiply
    777,831.40x = 1,166,747.10 × 591,207.40
  4. Step 4: Simplify right side
    777,831.40x = 689,789,519,448.54
  5. Step 5: Solve for x
    x = 689,789,519,448.54/777,831.40
  6. Step 6: Final answer
    x = 886,811.10

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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.