Home / 1,095,164.18-1,638,749.70-646,100.18

Finding the Fourth Proportional to 1,095,164.18, 1,638,749.70 and 646,100.18

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Solution

The fourth proportional to 1,095,164.18, 1,638,749.70 and 646,100.18 is: 966,792.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,164.18 : 1,638,749.70 = 646,100.18 : x
  2. Step 2: Convert to fraction form
    1,095,164.18/1,638,749.70 = 646,100.18/x
  3. Step 3: Cross multiply
    1,095,164.18x = 1,638,749.70 × 646,100.18
  4. Step 4: Simplify right side
    1,095,164.18x = 1,058,796,476,144.95
  5. Step 5: Solve for x
    x = 1,058,796,476,144.95/1,095,164.18
  6. Step 6: Final answer
    x = 966,792.46

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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.