Home / 312,022.10-468,033.15-308,911.70

Finding the Fourth Proportional to 312,022.10, 468,033.15 and 308,911.70

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Solution

The fourth proportional to 312,022.10, 468,033.15 and 308,911.70 is: 463,367.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,022.10 : 468,033.15 = 308,911.70 : x
  2. Step 2: Convert to fraction form
    312,022.10/468,033.15 = 308,911.70/x
  3. Step 3: Cross multiply
    312,022.10x = 468,033.15 × 308,911.70
  4. Step 4: Simplify right side
    312,022.10x = 144,580,916,022.86
  5. Step 5: Solve for x
    x = 144,580,916,022.86/312,022.10
  6. Step 6: Final answer
    x = 463,367.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.