Home / 818,500.42-1,221,349.33-733,393.63

Finding the Fourth Proportional to 818,500.42, 1,221,349.33 and 733,393.63

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Solution

The fourth proportional to 818,500.42, 1,221,349.33 and 733,393.63 is: 1,094,354.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,500.42 : 1,221,349.33 = 733,393.63 : x
  2. Step 2: Convert to fraction form
    818,500.42/1,221,349.33 = 733,393.63/x
  3. Step 3: Cross multiply
    818,500.42x = 1,221,349.33 × 733,393.63
  4. Step 4: Simplify right side
    818,500.42x = 895,729,814,959.80
  5. Step 5: Solve for x
    x = 895,729,814,959.80/818,500.42
  6. Step 6: Final answer
    x = 1,094,354.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.