Home / 1,216,404.87-1,824,045.68-447,709.49

Finding the Fourth Proportional to 1,216,404.87, 1,824,045.68 and 447,709.49

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Solution

The fourth proportional to 1,216,404.87, 1,824,045.68 and 447,709.49 is: 671,357.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,404.87 : 1,824,045.68 = 447,709.49 : x
  2. Step 2: Convert to fraction form
    1,216,404.87/1,824,045.68 = 447,709.49/x
  3. Step 3: Cross multiply
    1,216,404.87x = 1,824,045.68 × 447,709.49
  4. Step 4: Simplify right side
    1,216,404.87x = 816,642,567,663.89
  5. Step 5: Solve for x
    x = 816,642,567,663.89/1,216,404.87
  6. Step 6: Final answer
    x = 671,357.53

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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.