Home / 383,404.18-529,095.38-208,974.18

Finding the Fourth Proportional to 383,404.18, 529,095.38 and 208,974.18

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Solution

The fourth proportional to 383,404.18, 529,095.38 and 208,974.18 is: 288,383.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,404.18 : 529,095.38 = 208,974.18 : x
  2. Step 2: Convert to fraction form
    383,404.18/529,095.38 = 208,974.18/x
  3. Step 3: Cross multiply
    383,404.18x = 529,095.38 × 208,974.18
  4. Step 4: Simplify right side
    383,404.18x = 110,567,273,177.29
  5. Step 5: Solve for x
    x = 110,567,273,177.29/383,404.18
  6. Step 6: Final answer
    x = 288,383.07

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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.