Home / 886,014.16-1,220,126.42-769,674.26

Finding the Fourth Proportional to 886,014.16, 1,220,126.42 and 769,674.26

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Solution

The fourth proportional to 886,014.16, 1,220,126.42 and 769,674.26 is: 1,059,915.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,014.16 : 1,220,126.42 = 769,674.26 : x
  2. Step 2: Convert to fraction form
    886,014.16/1,220,126.42 = 769,674.26/x
  3. Step 3: Cross multiply
    886,014.16x = 1,220,126.42 × 769,674.26
  4. Step 4: Simplify right side
    886,014.16x = 939,099,904,394.45
  5. Step 5: Solve for x
    x = 939,099,904,394.45/886,014.16
  6. Step 6: Final answer
    x = 1,059,915.24

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Double scale
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1.5x scale

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.