Home / 364,735.09-503,418.41-213,880.69

Finding the Fourth Proportional to 364,735.09, 503,418.41 and 213,880.69

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Solution

The fourth proportional to 364,735.09, 503,418.41 and 213,880.69 is: 295,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,735.09 : 503,418.41 = 213,880.69 : x
  2. Step 2: Convert to fraction form
    364,735.09/503,418.41 = 213,880.69/x
  3. Step 3: Cross multiply
    364,735.09x = 503,418.41 × 213,880.69
  4. Step 4: Simplify right side
    364,735.09x = 107,671,476,889.50
  5. Step 5: Solve for x
    x = 107,671,476,889.50/364,735.09
  6. Step 6: Final answer
    x = 295,204.60

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1.5x scale

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.