Home / 1,253,065.80-1,880,181.90-654,702.60

Finding the Fourth Proportional to 1,253,065.80, 1,880,181.90 and 654,702.60

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Solution

The fourth proportional to 1,253,065.80, 1,880,181.90 and 654,702.60 is: 982,358.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,065.80 : 1,880,181.90 = 654,702.60 : x
  2. Step 2: Convert to fraction form
    1,253,065.80/1,880,181.90 = 654,702.60/x
  3. Step 3: Cross multiply
    1,253,065.80x = 1,880,181.90 × 654,702.60
  4. Step 4: Simplify right side
    1,253,065.80x = 1,230,959,978,402.94
  5. Step 5: Solve for x
    x = 1,230,959,978,402.94/1,253,065.80
  6. Step 6: Final answer
    x = 982,358.61

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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.