Home / 939,829.64-1,296,930.15-510,100.56

Finding the Fourth Proportional to 939,829.64, 1,296,930.15 and 510,100.56

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Solution

The fourth proportional to 939,829.64, 1,296,930.15 and 510,100.56 is: 703,919.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,829.64 : 1,296,930.15 = 510,100.56 : x
  2. Step 2: Convert to fraction form
    939,829.64/1,296,930.15 = 510,100.56/x
  3. Step 3: Cross multiply
    939,829.64x = 1,296,930.15 × 510,100.56
  4. Step 4: Simplify right side
    939,829.64x = 661,564,795,795.88
  5. Step 5: Solve for x
    x = 661,564,795,795.88/939,829.64
  6. Step 6: Final answer
    x = 703,919.91

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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.