Home / 962,140.20-1,443,236.22-429,536.04

Finding the Fourth Proportional to 962,140.20, 1,443,236.22 and 429,536.04

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Solution

The fourth proportional to 962,140.20, 1,443,236.22 and 429,536.04 is: 644,315.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,140.20 : 1,443,236.22 = 429,536.04 : x
  2. Step 2: Convert to fraction form
    962,140.20/1,443,236.22 = 429,536.04/x
  3. Step 3: Cross multiply
    962,140.20x = 1,443,236.22 × 429,536.04
  4. Step 4: Simplify right side
    962,140.20x = 619,921,970,723.37
  5. Step 5: Solve for x
    x = 619,921,970,723.37/962,140.20
  6. Step 6: Final answer
    x = 644,315.63

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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.