Home / 383,288.11-525,106.59-368,922.48

Finding the Fourth Proportional to 383,288.11, 525,106.59 and 368,922.48

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Solution

The fourth proportional to 383,288.11, 525,106.59 and 368,922.48 is: 505,425.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,288.11 : 525,106.59 = 368,922.48 : x
  2. Step 2: Convert to fraction form
    383,288.11/525,106.59 = 368,922.48/x
  3. Step 3: Cross multiply
    383,288.11x = 525,106.59 × 368,922.48
  4. Step 4: Simplify right side
    383,288.11x = 193,723,623,602.53
  5. Step 5: Solve for x
    x = 193,723,623,602.53/383,288.11
  6. Step 6: Final answer
    x = 505,425.60

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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.