Home / 1,195,961.21-1,650,566.63-679,792.61

Finding the Fourth Proportional to 1,195,961.21, 1,650,566.63 and 679,792.61

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Solution

The fourth proportional to 1,195,961.21, 1,650,566.63 and 679,792.61 is: 938,193.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,961.21 : 1,650,566.63 = 679,792.61 : x
  2. Step 2: Convert to fraction form
    1,195,961.21/1,650,566.63 = 679,792.61/x
  3. Step 3: Cross multiply
    1,195,961.21x = 1,650,566.63 × 679,792.61
  4. Step 4: Simplify right side
    1,195,961.21x = 1,122,042,997,386.60
  5. Step 5: Solve for x
    x = 1,122,042,997,386.60/1,195,961.21
  6. Step 6: Final answer
    x = 938,193.47

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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.