Home / 991,902.87-1,368,975.51-604,942.90

Finding the Fourth Proportional to 991,902.87, 1,368,975.51 and 604,942.90

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Solution

The fourth proportional to 991,902.87, 1,368,975.51 and 604,942.90 is: 834,912.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,902.87 : 1,368,975.51 = 604,942.90 : x
  2. Step 2: Convert to fraction form
    991,902.87/1,368,975.51 = 604,942.90/x
  3. Step 3: Cross multiply
    991,902.87x = 1,368,975.51 × 604,942.90
  4. Step 4: Simplify right side
    991,902.87x = 828,152,011,625.94
  5. Step 5: Solve for x
    x = 828,152,011,625.94/991,902.87
  6. Step 6: Final answer
    x = 834,912.41

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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.