Home / 923,919.86-1,385,883.20-284,219.17

Finding the Fourth Proportional to 923,919.86, 1,385,883.20 and 284,219.17

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Solution

The fourth proportional to 923,919.86, 1,385,883.20 and 284,219.17 is: 426,329.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,919.86 : 1,385,883.20 = 284,219.17 : x
  2. Step 2: Convert to fraction form
    923,919.86/1,385,883.20 = 284,219.17/x
  3. Step 3: Cross multiply
    923,919.86x = 1,385,883.20 × 284,219.17
  4. Step 4: Simplify right side
    923,919.86x = 393,894,564,470.43
  5. Step 5: Solve for x
    x = 393,894,564,470.43/923,919.86
  6. Step 6: Final answer
    x = 426,329.79

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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.