Home / 1,705,814.78-2,353,989.40-931,469.15

Finding the Fourth Proportional to 1,705,814.78, 2,353,989.40 and 931,469.15

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Solution

The fourth proportional to 1,705,814.78, 2,353,989.40 and 931,469.15 is: 1,285,408.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705,814.78 : 2,353,989.40 = 931,469.15 : x
  2. Step 2: Convert to fraction form
    1,705,814.78/2,353,989.40 = 931,469.15/x
  3. Step 3: Cross multiply
    1,705,814.78x = 2,353,989.40 × 931,469.15
  4. Step 4: Simplify right side
    1,705,814.78x = 2,192,668,509,083.31
  5. Step 5: Solve for x
    x = 2,192,668,509,083.31/1,705,814.78
  6. Step 6: Final answer
    x = 1,285,408.32

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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.