Home / 684,835.75-945,076.58-383,029.75

Finding the Fourth Proportional to 684,835.75, 945,076.58 and 383,029.75

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Solution

The fourth proportional to 684,835.75, 945,076.58 and 383,029.75 is: 528,582.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,835.75 : 945,076.58 = 383,029.75 : x
  2. Step 2: Convert to fraction form
    684,835.75/945,076.58 = 383,029.75/x
  3. Step 3: Cross multiply
    684,835.75x = 945,076.58 × 383,029.75
  4. Step 4: Simplify right side
    684,835.75x = 361,992,446,168.26
  5. Step 5: Solve for x
    x = 361,992,446,168.26/684,835.75
  6. Step 6: Final answer
    x = 528,582.87

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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.