Home / 1,585,000.44-2,187,300.60-905,951.52

Finding the Fourth Proportional to 1,585,000.44, 2,187,300.60 and 905,951.52

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Solution

The fourth proportional to 1,585,000.44, 2,187,300.60 and 905,951.52 is: 1,250,213.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,000.44 : 2,187,300.60 = 905,951.52 : x
  2. Step 2: Convert to fraction form
    1,585,000.44/2,187,300.60 = 905,951.52/x
  3. Step 3: Cross multiply
    1,585,000.44x = 2,187,300.60 × 905,951.52
  4. Step 4: Simplify right side
    1,585,000.44x = 1,981,588,303,266.91
  5. Step 5: Solve for x
    x = 1,981,588,303,266.91/1,585,000.44
  6. Step 6: Final answer
    x = 1,250,213.09

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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.