Home / 383,016.75-528,566.76-213,254.52

Finding the Fourth Proportional to 383,016.75, 528,566.76 and 213,254.52

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Solution

The fourth proportional to 383,016.75, 528,566.76 and 213,254.52 is: 294,293.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,016.75 : 528,566.76 = 213,254.52 : x
  2. Step 2: Convert to fraction form
    383,016.75/528,566.76 = 213,254.52/x
  3. Step 3: Cross multiply
    383,016.75x = 528,566.76 × 213,254.52
  4. Step 4: Simplify right side
    383,016.75x = 112,719,250,691.76
  5. Step 5: Solve for x
    x = 112,719,250,691.76/383,016.75
  6. Step 6: Final answer
    x = 294,293.27

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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.