Home / 1,026,280.70-1,416,306.75-681,520.60

Finding the Fourth Proportional to 1,026,280.70, 1,416,306.75 and 681,520.60

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Solution

The fourth proportional to 1,026,280.70, 1,416,306.75 and 681,520.60 is: 940,524.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,280.70 : 1,416,306.75 = 681,520.60 : x
  2. Step 2: Convert to fraction form
    1,026,280.70/1,416,306.75 = 681,520.60/x
  3. Step 3: Cross multiply
    1,026,280.70x = 1,416,306.75 × 681,520.60
  4. Step 4: Simplify right side
    1,026,280.70x = 965,242,218,962.52
  5. Step 5: Solve for x
    x = 965,242,218,962.52/1,026,280.70
  6. Step 6: Final answer
    x = 940,524.58

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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.