Home / 729,148.60-1,093,722.90-255,881.80

Finding the Fourth Proportional to 729,148.60, 1,093,722.90 and 255,881.80

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Solution

The fourth proportional to 729,148.60, 1,093,722.90 and 255,881.80 is: 383,822.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,148.60 : 1,093,722.90 = 255,881.80 : x
  2. Step 2: Convert to fraction form
    729,148.60/1,093,722.90 = 255,881.80/x
  3. Step 3: Cross multiply
    729,148.60x = 1,093,722.90 × 255,881.80
  4. Step 4: Simplify right side
    729,148.60x = 279,863,784,353.22
  5. Step 5: Solve for x
    x = 279,863,784,353.22/729,148.60
  6. Step 6: Final answer
    x = 383,822.70

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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.