Home / 511,038.15-766,604.61-173,965.56

Finding the Fourth Proportional to 511,038.15, 766,604.61 and 173,965.56

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Solution

The fourth proportional to 511,038.15, 766,604.61 and 173,965.56 is: 260,964.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,038.15 : 766,604.61 = 173,965.56 : x
  2. Step 2: Convert to fraction form
    511,038.15/766,604.61 = 173,965.56/x
  3. Step 3: Cross multiply
    511,038.15x = 766,604.61 × 173,965.56
  4. Step 4: Simplify right side
    511,038.15x = 133,362,800,277.23
  5. Step 5: Solve for x
    x = 133,362,800,277.23/511,038.15
  6. Step 6: Final answer
    x = 260,964.47

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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.