Home / 1,519,329.09-2,279,301.14-620,843.18

Finding the Fourth Proportional to 1,519,329.09, 2,279,301.14 and 620,843.18

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Solution

The fourth proportional to 1,519,329.09, 2,279,301.14 and 620,843.18 is: 931,390.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,329.09 : 2,279,301.14 = 620,843.18 : x
  2. Step 2: Convert to fraction form
    1,519,329.09/2,279,301.14 = 620,843.18/x
  3. Step 3: Cross multiply
    1,519,329.09x = 2,279,301.14 × 620,843.18
  4. Step 4: Simplify right side
    1,519,329.09x = 1,415,088,553,434.50
  5. Step 5: Solve for x
    x = 1,415,088,553,434.50/1,519,329.09
  6. Step 6: Final answer
    x = 931,390.42

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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.