Home / 505,770.07-698,010.95-276,362.23

Finding the Fourth Proportional to 505,770.07, 698,010.95 and 276,362.23

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Solution

The fourth proportional to 505,770.07, 698,010.95 and 276,362.23 is: 381,406.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,770.07 : 698,010.95 = 276,362.23 : x
  2. Step 2: Convert to fraction form
    505,770.07/698,010.95 = 276,362.23/x
  3. Step 3: Cross multiply
    505,770.07x = 698,010.95 × 276,362.23
  4. Step 4: Simplify right side
    505,770.07x = 192,903,862,706.42
  5. Step 5: Solve for x
    x = 192,903,862,706.42/505,770.07
  6. Step 6: Final answer
    x = 381,406.24

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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.