Home / 382,823.30-528,296.15-213,097.52

Finding the Fourth Proportional to 382,823.30, 528,296.15 and 213,097.52

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Solution

The fourth proportional to 382,823.30, 528,296.15 and 213,097.52 is: 294,074.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,823.30 : 528,296.15 = 213,097.52 : x
  2. Step 2: Convert to fraction form
    382,823.30/528,296.15 = 213,097.52/x
  3. Step 3: Cross multiply
    382,823.30x = 528,296.15 × 213,097.52
  4. Step 4: Simplify right side
    382,823.30x = 112,578,601,244.03
  5. Step 5: Solve for x
    x = 112,578,601,244.03/382,823.30
  6. Step 6: Final answer
    x = 294,074.58

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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.