Home / 939,664.16-1,296,737.40-509,944.36

Finding the Fourth Proportional to 939,664.16, 1,296,737.40 and 509,944.36

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Solution

The fourth proportional to 939,664.16, 1,296,737.40 and 509,944.36 is: 703,723.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,664.16 : 1,296,737.40 = 509,944.36 : x
  2. Step 2: Convert to fraction form
    939,664.16/1,296,737.40 = 509,944.36/x
  3. Step 3: Cross multiply
    939,664.16x = 1,296,737.40 × 509,944.36
  4. Step 4: Simplify right side
    939,664.16x = 661,263,923,531.06
  5. Step 5: Solve for x
    x = 661,263,923,531.06/939,664.16
  6. Step 6: Final answer
    x = 703,723.68

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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.