Home / 1,104,289.78-1,523,963.90-620,853.43

Finding the Fourth Proportional to 1,104,289.78, 1,523,963.90 and 620,853.43

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Solution

The fourth proportional to 1,104,289.78, 1,523,963.90 and 620,853.43 is: 856,802.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,289.78 : 1,523,963.90 = 620,853.43 : x
  2. Step 2: Convert to fraction form
    1,104,289.78/1,523,963.90 = 620,853.43/x
  3. Step 3: Cross multiply
    1,104,289.78x = 1,523,963.90 × 620,853.43
  4. Step 4: Simplify right side
    1,104,289.78x = 946,158,214,511.18
  5. Step 5: Solve for x
    x = 946,158,214,511.18/1,104,289.78
  6. Step 6: Final answer
    x = 856,802.47

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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.