Home / 683,825.60-1,025,738.40-310,577.60

Finding the Fourth Proportional to 683,825.60, 1,025,738.40 and 310,577.60

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Solution

The fourth proportional to 683,825.60, 1,025,738.40 and 310,577.60 is: 465,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,825.60 : 1,025,738.40 = 310,577.60 : x
  2. Step 2: Convert to fraction form
    683,825.60/1,025,738.40 = 310,577.60/x
  3. Step 3: Cross multiply
    683,825.60x = 1,025,738.40 × 310,577.60
  4. Step 4: Simplify right side
    683,825.60x = 318,571,370,499.84
  5. Step 5: Solve for x
    x = 318,571,370,499.84/683,825.60
  6. Step 6: Final answer
    x = 465,866.40

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Double scale
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Similar ratio
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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.