Home / 1,689,456.72-2,330,566.92-1,044,670.80

Finding the Fourth Proportional to 1,689,456.72, 2,330,566.92 and 1,044,670.80

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Solution

The fourth proportional to 1,689,456.72, 2,330,566.92 and 1,044,670.80 is: 1,441,099.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,456.72 : 2,330,566.92 = 1,044,670.80 : x
  2. Step 2: Convert to fraction form
    1,689,456.72/2,330,566.92 = 1,044,670.80/x
  3. Step 3: Cross multiply
    1,689,456.72x = 2,330,566.92 × 1,044,670.80
  4. Step 4: Simplify right side
    1,689,456.72x = 2,434,675,208,769.94
  5. Step 5: Solve for x
    x = 2,434,675,208,769.94/1,689,456.72
  6. Step 6: Final answer
    x = 1,441,099.48

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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.