Home / 753,831.88-1,040,296.74-414,300.68

Finding the Fourth Proportional to 753,831.88, 1,040,296.74 and 414,300.68

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Solution

The fourth proportional to 753,831.88, 1,040,296.74 and 414,300.68 is: 571,739.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,831.88 : 1,040,296.74 = 414,300.68 : x
  2. Step 2: Convert to fraction form
    753,831.88/1,040,296.74 = 414,300.68/x
  3. Step 3: Cross multiply
    753,831.88x = 1,040,296.74 × 414,300.68
  4. Step 4: Simplify right side
    753,831.88x = 430,995,646,783.78
  5. Step 5: Solve for x
    x = 430,995,646,783.78/753,831.88
  6. Step 6: Final answer
    x = 571,739.74

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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.