Home / 939,933.63-1,297,099.53-510,204.54

Finding the Fourth Proportional to 939,933.63, 1,297,099.53 and 510,204.54

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Solution

The fourth proportional to 939,933.63, 1,297,099.53 and 510,204.54 is: 704,077.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,933.63 : 1,297,099.53 = 510,204.54 : x
  2. Step 2: Convert to fraction form
    939,933.63/1,297,099.53 = 510,204.54/x
  3. Step 3: Cross multiply
    939,933.63x = 1,297,099.53 × 510,204.54
  4. Step 4: Simplify right side
    939,933.63x = 661,786,069,037.87
  5. Step 5: Solve for x
    x = 661,786,069,037.87/939,933.63
  6. Step 6: Final answer
    x = 704,077.45

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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.