Home / 374,845.60-517,280.30-229,628.80

Finding the Fourth Proportional to 374,845.60, 517,280.30 and 229,628.80

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Solution

The fourth proportional to 374,845.60, 517,280.30 and 229,628.80 is: 316,883.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,845.60 : 517,280.30 = 229,628.80 : x
  2. Step 2: Convert to fraction form
    374,845.60/517,280.30 = 229,628.80/x
  3. Step 3: Cross multiply
    374,845.60x = 517,280.30 × 229,628.80
  4. Step 4: Simplify right side
    374,845.60x = 118,782,453,404.50
  5. Step 5: Solve for x
    x = 118,782,453,404.50/374,845.60
  6. Step 6: Final answer
    x = 316,883.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.