Home / 1,084,940.78-1,497,223.82-626,074.70

Finding the Fourth Proportional to 1,084,940.78, 1,497,223.82 and 626,074.70

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Solution

The fourth proportional to 1,084,940.78, 1,497,223.82 and 626,074.70 is: 863,986.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,940.78 : 1,497,223.82 = 626,074.70 : x
  2. Step 2: Convert to fraction form
    1,084,940.78/1,497,223.82 = 626,074.70/x
  3. Step 3: Cross multiply
    1,084,940.78x = 1,497,223.82 × 626,074.70
  4. Step 4: Simplify right side
    1,084,940.78x = 937,373,948,018.42
  5. Step 5: Solve for x
    x = 937,373,948,018.42/1,084,940.78
  6. Step 6: Final answer
    x = 863,986.28

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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.