Home / 383,292.09-525,112.07-368,926.47

Finding the Fourth Proportional to 383,292.09, 525,112.07 and 368,926.47

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Solution

The fourth proportional to 383,292.09, 525,112.07 and 368,926.47 is: 505,431.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,292.09 : 525,112.07 = 368,926.47 : x
  2. Step 2: Convert to fraction form
    383,292.09/525,112.07 = 368,926.47/x
  3. Step 3: Cross multiply
    383,292.09x = 525,112.07 × 368,926.47
  4. Step 4: Simplify right side
    383,292.09x = 193,727,740,494.86
  5. Step 5: Solve for x
    x = 193,727,740,494.86/383,292.09
  6. Step 6: Final answer
    x = 505,431.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.