Home / 549,521.20-823,625.70-283,144.60

Finding the Fourth Proportional to 549,521.20, 823,625.70 and 283,144.60

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Solution

The fourth proportional to 549,521.20, 823,625.70 and 283,144.60 is: 424,378.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,521.20 : 823,625.70 = 283,144.60 : x
  2. Step 2: Convert to fraction form
    549,521.20/823,625.70 = 283,144.60/x
  3. Step 3: Cross multiply
    549,521.20x = 823,625.70 × 283,144.60
  4. Step 4: Simplify right side
    549,521.20x = 233,205,169,376.22
  5. Step 5: Solve for x
    x = 233,205,169,376.22/549,521.20
  6. Step 6: Final answer
    x = 424,378.84

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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.