Home / 735,778.43-1,015,651.70-429,954.21

Finding the Fourth Proportional to 735,778.43, 1,015,651.70 and 429,954.21

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Solution

The fourth proportional to 735,778.43, 1,015,651.70 and 429,954.21 is: 593,498.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,778.43 : 1,015,651.70 = 429,954.21 : x
  2. Step 2: Convert to fraction form
    735,778.43/1,015,651.70 = 429,954.21/x
  3. Step 3: Cross multiply
    735,778.43x = 1,015,651.70 × 429,954.21
  4. Step 4: Simplify right side
    735,778.43x = 436,683,722,158.89
  5. Step 5: Solve for x
    x = 436,683,722,158.89/735,778.43
  6. Step 6: Final answer
    x = 593,498.95

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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.