Home / 926,618.33-1,390,826.29-447,183.56

Finding the Fourth Proportional to 926,618.33, 1,390,826.29 and 447,183.56

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Solution

The fourth proportional to 926,618.33, 1,390,826.29 and 447,183.56 is: 671,209.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,618.33 : 1,390,826.29 = 447,183.56 : x
  2. Step 2: Convert to fraction form
    926,618.33/1,390,826.29 = 447,183.56/x
  3. Step 3: Cross multiply
    926,618.33x = 1,390,826.29 × 447,183.56
  4. Step 4: Simplify right side
    926,618.33x = 621,954,642,513.74
  5. Step 5: Solve for x
    x = 621,954,642,513.74/926,618.33
  6. Step 6: Final answer
    x = 671,209.09

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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.