Home / 644,942.16-967,435.08-171,627.96

Finding the Fourth Proportional to 644,942.16, 967,435.08 and 171,627.96

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Solution

The fourth proportional to 644,942.16, 967,435.08 and 171,627.96 is: 257,447.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,942.16 : 967,435.08 = 171,627.96 : x
  2. Step 2: Convert to fraction form
    644,942.16/967,435.08 = 171,627.96/x
  3. Step 3: Cross multiply
    644,942.16x = 967,435.08 × 171,627.96
  4. Step 4: Simplify right side
    644,942.16x = 166,038,909,212.84
  5. Step 5: Solve for x
    x = 166,038,909,212.84/644,942.16
  6. Step 6: Final answer
    x = 257,447.75

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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.