Home / 448,968.60-673,452.90-212,772.60

Finding the Fourth Proportional to 448,968.60, 673,452.90 and 212,772.60

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Solution

The fourth proportional to 448,968.60, 673,452.90 and 212,772.60 is: 319,158.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,968.60 : 673,452.90 = 212,772.60 : x
  2. Step 2: Convert to fraction form
    448,968.60/673,452.90 = 212,772.60/x
  3. Step 3: Cross multiply
    448,968.60x = 673,452.90 × 212,772.60
  4. Step 4: Simplify right side
    448,968.60x = 143,292,324,510.54
  5. Step 5: Solve for x
    x = 143,292,324,510.54/448,968.60
  6. Step 6: Final answer
    x = 319,158.90

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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.