Home / 698,704.56-1,048,278.42-249,415.56

Finding the Fourth Proportional to 698,704.56, 1,048,278.42 and 249,415.56

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Solution

The fourth proportional to 698,704.56, 1,048,278.42 and 249,415.56 is: 374,202.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,704.56 : 1,048,278.42 = 249,415.56 : x
  2. Step 2: Convert to fraction form
    698,704.56/1,048,278.42 = 249,415.56/x
  3. Step 3: Cross multiply
    698,704.56x = 1,048,278.42 × 249,415.56
  4. Step 4: Simplify right side
    698,704.56x = 261,456,949,160.22
  5. Step 5: Solve for x
    x = 261,456,949,160.22/698,704.56
  6. Step 6: Final answer
    x = 374,202.44

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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.