Home / 569,828.20-854,742.30-478,589.80

Finding the Fourth Proportional to 569,828.20, 854,742.30 and 478,589.80

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Solution

The fourth proportional to 569,828.20, 854,742.30 and 478,589.80 is: 717,884.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,828.20 : 854,742.30 = 478,589.80 : x
  2. Step 2: Convert to fraction form
    569,828.20/854,742.30 = 478,589.80/x
  3. Step 3: Cross multiply
    569,828.20x = 854,742.30 × 478,589.80
  4. Step 4: Simplify right side
    569,828.20x = 409,070,946,408.54
  5. Step 5: Solve for x
    x = 409,070,946,408.54/569,828.20
  6. Step 6: Final answer
    x = 717,884.70

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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.