Home / 1,968,503.87-2,953,073.82-831,437

Finding the Fourth Proportional to 1,968,503.87, 2,953,073.82 and 831,437

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Solution

The fourth proportional to 1,968,503.87, 2,953,073.82 and 831,437 is: 1,247,289.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,503.87 : 2,953,073.82 = 831,437 : x
  2. Step 2: Convert to fraction form
    1,968,503.87/2,953,073.82 = 831,437/x
  3. Step 3: Cross multiply
    1,968,503.87x = 2,953,073.82 × 831,437
  4. Step 4: Simplify right side
    1,968,503.87x = 2,455,294,837,679.34
  5. Step 5: Solve for x
    x = 2,455,294,837,679.34/1,968,503.87
  6. Step 6: Final answer
    x = 1,247,289.82

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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.