Home / 1,778,292.73-2,667,716.88-579,936.31

Finding the Fourth Proportional to 1,778,292.73, 2,667,716.88 and 579,936.31

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Solution

The fourth proportional to 1,778,292.73, 2,667,716.88 and 579,936.31 is: 869,995.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,292.73 : 2,667,716.88 = 579,936.31 : x
  2. Step 2: Convert to fraction form
    1,778,292.73/2,667,716.88 = 579,936.31/x
  3. Step 3: Cross multiply
    1,778,292.73x = 2,667,716.88 × 579,936.31
  4. Step 4: Simplify right side
    1,778,292.73x = 1,547,105,874,667.86
  5. Step 5: Solve for x
    x = 1,547,105,874,667.86/1,778,292.73
  6. Step 6: Final answer
    x = 869,995.05

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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.