Home / 645,783.86-968,823.21-196,568.39

Finding the Fourth Proportional to 645,783.86, 968,823.21 and 196,568.39

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Solution

The fourth proportional to 645,783.86, 968,823.21 and 196,568.39 is: 294,897.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,783.86 : 968,823.21 = 196,568.39 : x
  2. Step 2: Convert to fraction form
    645,783.86/968,823.21 = 196,568.39/x
  3. Step 3: Cross multiply
    645,783.86x = 968,823.21 × 196,568.39
  4. Step 4: Simplify right side
    645,783.86x = 190,440,018,584.33
  5. Step 5: Solve for x
    x = 190,440,018,584.33/645,783.86
  6. Step 6: Final answer
    x = 294,897.46

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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.