Home / 1,246,083.47-1,869,125.20-393,241.56

Finding the Fourth Proportional to 1,246,083.47, 1,869,125.20 and 393,241.56

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Solution

The fourth proportional to 1,246,083.47, 1,869,125.20 and 393,241.56 is: 589,862.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,083.47 : 1,869,125.20 = 393,241.56 : x
  2. Step 2: Convert to fraction form
    1,246,083.47/1,869,125.20 = 393,241.56/x
  3. Step 3: Cross multiply
    1,246,083.47x = 1,869,125.20 × 393,241.56
  4. Step 4: Simplify right side
    1,246,083.47x = 735,017,709,483.31
  5. Step 5: Solve for x
    x = 735,017,709,483.31/1,246,083.47
  6. Step 6: Final answer
    x = 589,862.34

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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.