Home / 628,936.56-867,487.68-608,106.60

Finding the Fourth Proportional to 628,936.56, 867,487.68 and 608,106.60

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Solution

The fourth proportional to 628,936.56, 867,487.68 and 608,106.60 is: 838,757.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,936.56 : 867,487.68 = 608,106.60 : x
  2. Step 2: Convert to fraction form
    628,936.56/867,487.68 = 608,106.60/x
  3. Step 3: Cross multiply
    628,936.56x = 867,487.68 × 608,106.60
  4. Step 4: Simplify right side
    628,936.56x = 527,524,983,626.69
  5. Step 5: Solve for x
    x = 527,524,983,626.69/628,936.56
  6. Step 6: Final answer
    x = 838,757.07

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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.