Home / 598,492.20-897,738.30-345,772.20

Finding the Fourth Proportional to 598,492.20, 897,738.30 and 345,772.20

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Solution

The fourth proportional to 598,492.20, 897,738.30 and 345,772.20 is: 518,658.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,492.20 : 897,738.30 = 345,772.20 : x
  2. Step 2: Convert to fraction form
    598,492.20/897,738.30 = 345,772.20/x
  3. Step 3: Cross multiply
    598,492.20x = 897,738.30 × 345,772.20
  4. Step 4: Simplify right side
    598,492.20x = 310,412,947,015.26
  5. Step 5: Solve for x
    x = 310,412,947,015.26/598,492.20
  6. Step 6: Final answer
    x = 518,658.30

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Half scale
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Double scale
Find fourth proportional to 598,493.20, 897,739.80 and 345,773.20
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.