Home / 370,935.37-511,884.75-209,784.37

Finding the Fourth Proportional to 370,935.37, 511,884.75 and 209,784.37

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Solution

The fourth proportional to 370,935.37, 511,884.75 and 209,784.37 is: 289,499.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,935.37 : 511,884.75 = 209,784.37 : x
  2. Step 2: Convert to fraction form
    370,935.37/511,884.75 = 209,784.37/x
  3. Step 3: Cross multiply
    370,935.37x = 511,884.75 × 209,784.37
  4. Step 4: Simplify right side
    370,935.37x = 107,385,419,791.36
  5. Step 5: Solve for x
    x = 107,385,419,791.36/370,935.37
  6. Step 6: Final answer
    x = 289,499.00

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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.