Home / 746,291.68-1,119,871.17-313,977.47

Finding the Fourth Proportional to 746,291.68, 1,119,871.17 and 313,977.47

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Solution

The fourth proportional to 746,291.68, 1,119,871.17 and 313,977.47 is: 471,148.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,291.68 : 1,119,871.17 = 313,977.47 : x
  2. Step 2: Convert to fraction form
    746,291.68/1,119,871.17 = 313,977.47/x
  3. Step 3: Cross multiply
    746,291.68x = 1,119,871.17 × 313,977.47
  4. Step 4: Simplify right side
    746,291.68x = 351,614,311,083.18
  5. Step 5: Solve for x
    x = 351,614,311,083.18/746,291.68
  6. Step 6: Final answer
    x = 471,148.64

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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.