Home / 1,689,364.86-2,534,026.11-409,982.94

Finding the Fourth Proportional to 1,689,364.86, 2,534,026.11 and 409,982.94

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Solution

The fourth proportional to 1,689,364.86, 2,534,026.11 and 409,982.94 is: 614,969.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,364.86 : 2,534,026.11 = 409,982.94 : x
  2. Step 2: Convert to fraction form
    1,689,364.86/2,534,026.11 = 409,982.94/x
  3. Step 3: Cross multiply
    1,689,364.86x = 2,534,026.11 × 409,982.94
  4. Step 4: Simplify right side
    1,689,364.86x = 1,038,907,474,614.56
  5. Step 5: Solve for x
    x = 1,038,907,474,614.56/1,689,364.86
  6. Step 6: Final answer
    x = 614,969.27

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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.