Home / 939,876.94-1,296,996.61-531,970.02

Finding the Fourth Proportional to 939,876.94, 1,296,996.61 and 531,970.02

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Solution

The fourth proportional to 939,876.94, 1,296,996.61 and 531,970.02 is: 734,099.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,876.94 : 1,296,996.61 = 531,970.02 : x
  2. Step 2: Convert to fraction form
    939,876.94/1,296,996.61 = 531,970.02/x
  3. Step 3: Cross multiply
    939,876.94x = 1,296,996.61 × 531,970.02
  4. Step 4: Simplify right side
    939,876.94x = 689,963,312,561.63
  5. Step 5: Solve for x
    x = 689,963,312,561.63/939,876.94
  6. Step 6: Final answer
    x = 734,099.63

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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.