Home / 497,217.60-685,890.72-295,974.72

Finding the Fourth Proportional to 497,217.60, 685,890.72 and 295,974.72

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Solution

The fourth proportional to 497,217.60, 685,890.72 and 295,974.72 is: 408,284.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,217.60 : 685,890.72 = 295,974.72 : x
  2. Step 2: Convert to fraction form
    497,217.60/685,890.72 = 295,974.72/x
  3. Step 3: Cross multiply
    497,217.60x = 685,890.72 × 295,974.72
  4. Step 4: Simplify right side
    497,217.60x = 203,006,313,802.60
  5. Step 5: Solve for x
    x = 203,006,313,802.60/497,217.60
  6. Step 6: Final answer
    x = 408,284.65

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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.