Home / 639,232.80-958,849.20-628,735.20

Finding the Fourth Proportional to 639,232.80, 958,849.20 and 628,735.20

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Solution

The fourth proportional to 639,232.80, 958,849.20 and 628,735.20 is: 943,102.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,232.80 : 958,849.20 = 628,735.20 : x
  2. Step 2: Convert to fraction form
    639,232.80/958,849.20 = 628,735.20/x
  3. Step 3: Cross multiply
    639,232.80x = 958,849.20 × 628,735.20
  4. Step 4: Simplify right side
    639,232.80x = 602,862,243,531.84
  5. Step 5: Solve for x
    x = 602,862,243,531.84/639,232.80
  6. Step 6: Final answer
    x = 943,102.80

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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.