Home / 1,188,640.43-1,782,960.47-557,554.24

Finding the Fourth Proportional to 1,188,640.43, 1,782,960.47 and 557,554.24

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Solution

The fourth proportional to 1,188,640.43, 1,782,960.47 and 557,554.24 is: 836,331.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,640.43 : 1,782,960.47 = 557,554.24 : x
  2. Step 2: Convert to fraction form
    1,188,640.43/1,782,960.47 = 557,554.24/x
  3. Step 3: Cross multiply
    1,188,640.43x = 1,782,960.47 × 557,554.24
  4. Step 4: Simplify right side
    1,188,640.43x = 994,097,169,800.89
  5. Step 5: Solve for x
    x = 994,097,169,800.89/1,188,640.43
  6. Step 6: Final answer
    x = 836,331.28

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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.