Home / 383,290.11-525,109.33-368,924.49

Finding the Fourth Proportional to 383,290.11, 525,109.33 and 368,924.49

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Solution

The fourth proportional to 383,290.11, 525,109.33 and 368,924.49 is: 505,428.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,290.11 : 525,109.33 = 368,924.49 : x
  2. Step 2: Convert to fraction form
    383,290.11/525,109.33 = 368,924.49/x
  3. Step 3: Cross multiply
    383,290.11x = 525,109.33 × 368,924.49
  4. Step 4: Simplify right side
    383,290.11x = 193,725,691,764.49
  5. Step 5: Solve for x
    x = 193,725,691,764.49/383,290.11
  6. Step 6: Final answer
    x = 505,428.36

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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.