Home / 1,229,717.33-1,697,009.72-685,841.45

Finding the Fourth Proportional to 1,229,717.33, 1,697,009.72 and 685,841.45

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Solution

The fourth proportional to 1,229,717.33, 1,697,009.72 and 685,841.45 is: 946,461.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,717.33 : 1,697,009.72 = 685,841.45 : x
  2. Step 2: Convert to fraction form
    1,229,717.33/1,697,009.72 = 685,841.45/x
  3. Step 3: Cross multiply
    1,229,717.33x = 1,697,009.72 × 685,841.45
  4. Step 4: Simplify right side
    1,229,717.33x = 1,163,879,601,071.77
  5. Step 5: Solve for x
    x = 1,163,879,601,071.77/1,229,717.33
  6. Step 6: Final answer
    x = 946,461.09

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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.