Home / 698,734.80-1,048,102.20-622,627.20

Finding the Fourth Proportional to 698,734.80, 1,048,102.20 and 622,627.20

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Solution

The fourth proportional to 698,734.80, 1,048,102.20 and 622,627.20 is: 933,940.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,734.80 : 1,048,102.20 = 622,627.20 : x
  2. Step 2: Convert to fraction form
    698,734.80/1,048,102.20 = 622,627.20/x
  3. Step 3: Cross multiply
    698,734.80x = 1,048,102.20 × 622,627.20
  4. Step 4: Simplify right side
    698,734.80x = 652,576,938,099.84
  5. Step 5: Solve for x
    x = 652,576,938,099.84/698,734.80
  6. Step 6: Final answer
    x = 933,940.80

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1.5x scale

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.