Home / 1,216,406.88-1,824,048.68-447,711.50

Finding the Fourth Proportional to 1,216,406.88, 1,824,048.68 and 447,711.50

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Solution

The fourth proportional to 1,216,406.88, 1,824,048.68 and 447,711.50 is: 671,360.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,406.88 : 1,824,048.68 = 447,711.50 : x
  2. Step 2: Convert to fraction form
    1,216,406.88/1,824,048.68 = 447,711.50/x
  3. Step 3: Cross multiply
    1,216,406.88x = 1,824,048.68 × 447,711.50
  4. Step 4: Simplify right side
    1,216,406.88x = 816,647,570,595.82
  5. Step 5: Solve for x
    x = 816,647,570,595.82/1,216,406.88
  6. Step 6: Final answer
    x = 671,360.53

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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.