Home / 1,265,842.24-1,746,864.41-685,065.89

Finding the Fourth Proportional to 1,265,842.24, 1,746,864.41 and 685,065.89

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Solution

The fourth proportional to 1,265,842.24, 1,746,864.41 and 685,065.89 is: 945,392.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,842.24 : 1,746,864.41 = 685,065.89 : x
  2. Step 2: Convert to fraction form
    1,265,842.24/1,746,864.41 = 685,065.89/x
  3. Step 3: Cross multiply
    1,265,842.24x = 1,746,864.41 × 685,065.89
  4. Step 4: Simplify right side
    1,265,842.24x = 1,196,717,221,745.97
  5. Step 5: Solve for x
    x = 1,196,717,221,745.97/1,265,842.24
  6. Step 6: Final answer
    x = 945,392.07

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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.