Home / 1,606,609.09-2,217,143.16-881,443.63

Finding the Fourth Proportional to 1,606,609.09, 2,217,143.16 and 881,443.63

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Solution

The fourth proportional to 1,606,609.09, 2,217,143.16 and 881,443.63 is: 1,216,404.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606,609.09 : 2,217,143.16 = 881,443.63 : x
  2. Step 2: Convert to fraction form
    1,606,609.09/2,217,143.16 = 881,443.63/x
  3. Step 3: Cross multiply
    1,606,609.09x = 2,217,143.16 × 881,443.63
  4. Step 4: Simplify right side
    1,606,609.09x = 1,954,286,715,180.07
  5. Step 5: Solve for x
    x = 1,954,286,715,180.07/1,606,609.09
  6. Step 6: Final answer
    x = 1,216,404.62

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.