Home / 939,836.14-1,296,975.35-510,116.45

Finding the Fourth Proportional to 939,836.14, 1,296,975.35 and 510,116.45

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Solution

The fourth proportional to 939,836.14, 1,296,975.35 and 510,116.45 is: 703,961.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,836.14 : 1,296,975.35 = 510,116.45 : x
  2. Step 2: Convert to fraction form
    939,836.14/1,296,975.35 = 510,116.45/x
  3. Step 3: Cross multiply
    939,836.14x = 1,296,975.35 × 510,116.45
  4. Step 4: Simplify right side
    939,836.14x = 661,608,456,069.92
  5. Step 5: Solve for x
    x = 661,608,456,069.92/939,836.14
  6. Step 6: Final answer
    x = 703,961.50

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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.