Home / 628,171.20-942,256.80-598,646.70

Finding the Fourth Proportional to 628,171.20, 942,256.80 and 598,646.70

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Solution

The fourth proportional to 628,171.20, 942,256.80 and 598,646.70 is: 897,970.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,171.20 : 942,256.80 = 598,646.70 : x
  2. Step 2: Convert to fraction form
    628,171.20/942,256.80 = 598,646.70/x
  3. Step 3: Cross multiply
    628,171.20x = 942,256.80 × 598,646.70
  4. Step 4: Simplify right side
    628,171.20x = 564,078,923,872.56
  5. Step 5: Solve for x
    x = 564,078,923,872.56/628,171.20
  6. Step 6: Final answer
    x = 897,970.05

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Similar ratio
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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.