Home / 1,313,092.35-1,969,638.75-1,014,009.21

Finding the Fourth Proportional to 1,313,092.35, 1,969,638.75 and 1,014,009.21

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Solution

The fourth proportional to 1,313,092.35, 1,969,638.75 and 1,014,009.21 is: 1,521,013.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,092.35 : 1,969,638.75 = 1,014,009.21 : x
  2. Step 2: Convert to fraction form
    1,313,092.35/1,969,638.75 = 1,014,009.21/x
  3. Step 3: Cross multiply
    1,313,092.35x = 1,969,638.75 × 1,014,009.21
  4. Step 4: Simplify right side
    1,313,092.35x = 1,997,231,832,872.89
  5. Step 5: Solve for x
    x = 1,997,231,832,872.89/1,313,092.35
  6. Step 6: Final answer
    x = 1,521,013.99

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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.