Home / 505,868.67-698,090.33-276,420.92

Finding the Fourth Proportional to 505,868.67, 698,090.33 and 276,420.92

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Solution

The fourth proportional to 505,868.67, 698,090.33 and 276,420.92 is: 381,456.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,868.67 : 698,090.33 = 276,420.92 : x
  2. Step 2: Convert to fraction form
    505,868.67/698,090.33 = 276,420.92/x
  3. Step 3: Cross multiply
    505,868.67x = 698,090.33 × 276,420.92
  4. Step 4: Simplify right side
    505,868.67x = 192,966,771,261.70
  5. Step 5: Solve for x
    x = 192,966,771,261.70/505,868.67
  6. Step 6: Final answer
    x = 381,456.26

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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.