Home / 864,454.26-1,295,794.59-331,831.86

Finding the Fourth Proportional to 864,454.26, 1,295,794.59 and 331,831.86

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Solution

The fourth proportional to 864,454.26, 1,295,794.59 and 331,831.86 is: 497,407.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,454.26 : 1,295,794.59 = 331,831.86 : x
  2. Step 2: Convert to fraction form
    864,454.26/1,295,794.59 = 331,831.86/x
  3. Step 3: Cross multiply
    864,454.26x = 1,295,794.59 × 331,831.86
  4. Step 4: Simplify right side
    864,454.26x = 429,985,928,977.64
  5. Step 5: Solve for x
    x = 429,985,928,977.64/864,454.26
  6. Step 6: Final answer
    x = 497,407.38

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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.