Home / 663,295.74-994,939.83-189,981.24

Finding the Fourth Proportional to 663,295.74, 994,939.83 and 189,981.24

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Solution

The fourth proportional to 663,295.74, 994,939.83 and 189,981.24 is: 284,970.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,295.74 : 994,939.83 = 189,981.24 : x
  2. Step 2: Convert to fraction form
    663,295.74/994,939.83 = 189,981.24/x
  3. Step 3: Cross multiply
    663,295.74x = 994,939.83 × 189,981.24
  4. Step 4: Simplify right side
    663,295.74x = 189,019,902,628.79
  5. Step 5: Solve for x
    x = 189,019,902,628.79/663,295.74
  6. Step 6: Final answer
    x = 284,970.78

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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.