Home / 711,929.46-1,067,866.47-262,455.87

Finding the Fourth Proportional to 711,929.46, 1,067,866.47 and 262,455.87

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Solution

The fourth proportional to 711,929.46, 1,067,866.47 and 262,455.87 is: 393,673.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,929.46 : 1,067,866.47 = 262,455.87 : x
  2. Step 2: Convert to fraction form
    711,929.46/1,067,866.47 = 262,455.87/x
  3. Step 3: Cross multiply
    711,929.46x = 1,067,866.47 × 262,455.87
  4. Step 4: Simplify right side
    711,929.46x = 280,267,823,427.68
  5. Step 5: Solve for x
    x = 280,267,823,427.68/711,929.46
  6. Step 6: Final answer
    x = 393,673.59

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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.