Home / 1,089,756.62-1,634,696.44-331,622.82

Finding the Fourth Proportional to 1,089,756.62, 1,634,696.44 and 331,622.82

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Solution

The fourth proportional to 1,089,756.62, 1,634,696.44 and 331,622.82 is: 497,452.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,756.62 : 1,634,696.44 = 331,622.82 : x
  2. Step 2: Convert to fraction form
    1,089,756.62/1,634,696.44 = 331,622.82/x
  3. Step 3: Cross multiply
    1,089,756.62x = 1,634,696.44 × 331,622.82
  4. Step 4: Simplify right side
    1,089,756.62x = 542,102,643,276.76
  5. Step 5: Solve for x
    x = 542,102,643,276.76/1,089,756.62
  6. Step 6: Final answer
    x = 497,452.95

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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.