Home / 598,428.20-897,642.30-283,500.20

Finding the Fourth Proportional to 598,428.20, 897,642.30 and 283,500.20

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Solution

The fourth proportional to 598,428.20, 897,642.30 and 283,500.20 is: 425,250.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,428.20 : 897,642.30 = 283,500.20 : x
  2. Step 2: Convert to fraction form
    598,428.20/897,642.30 = 283,500.20/x
  3. Step 3: Cross multiply
    598,428.20x = 897,642.30 × 283,500.20
  4. Step 4: Simplify right side
    598,428.20x = 254,481,771,578.46
  5. Step 5: Solve for x
    x = 254,481,771,578.46/598,428.20
  6. Step 6: Final answer
    x = 425,250.30

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Double scale
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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.