Home / 1,968,504.37-2,953,074.57-831,437.50

Finding the Fourth Proportional to 1,968,504.37, 2,953,074.57 and 831,437.50

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Solution

The fourth proportional to 1,968,504.37, 2,953,074.57 and 831,437.50 is: 1,247,290.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,504.37 : 2,953,074.57 = 831,437.50 : x
  2. Step 2: Convert to fraction form
    1,968,504.37/2,953,074.57 = 831,437.50/x
  3. Step 3: Cross multiply
    1,968,504.37x = 2,953,074.57 × 831,437.50
  4. Step 4: Simplify right side
    1,968,504.37x = 2,455,296,937,794.38
  5. Step 5: Solve for x
    x = 2,455,296,937,794.38/1,968,504.37
  6. Step 6: Final answer
    x = 1,247,290.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.