Home / 1,382,411.08-1,907,735.97-770,602.69

Finding the Fourth Proportional to 1,382,411.08, 1,907,735.97 and 770,602.69

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Solution

The fourth proportional to 1,382,411.08, 1,907,735.97 and 770,602.69 is: 1,063,436.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,411.08 : 1,907,735.97 = 770,602.69 : x
  2. Step 2: Convert to fraction form
    1,382,411.08/1,907,735.97 = 770,602.69/x
  3. Step 3: Cross multiply
    1,382,411.08x = 1,907,735.97 × 770,602.69
  4. Step 4: Simplify right side
    1,382,411.08x = 1,470,106,470,291.76
  5. Step 5: Solve for x
    x = 1,470,106,470,291.76/1,382,411.08
  6. Step 6: Final answer
    x = 1,063,436.55

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Double scale
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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.