Home / 1,216,833.52-1,825,356.12-318,271.36

Finding the Fourth Proportional to 1,216,833.52, 1,825,356.12 and 318,271.36

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Solution

The fourth proportional to 1,216,833.52, 1,825,356.12 and 318,271.36 is: 477,434.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,833.52 : 1,825,356.12 = 318,271.36 : x
  2. Step 2: Convert to fraction form
    1,216,833.52/1,825,356.12 = 318,271.36/x
  3. Step 3: Cross multiply
    1,216,833.52x = 1,825,356.12 × 318,271.36
  4. Step 4: Simplify right side
    1,216,833.52x = 580,958,574,796.72
  5. Step 5: Solve for x
    x = 580,958,574,796.72/1,216,833.52
  6. Step 6: Final answer
    x = 477,434.72

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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.