Home / 1,223,997.53-1,689,083.01-680,119.35

Finding the Fourth Proportional to 1,223,997.53, 1,689,083.01 and 680,119.35

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Solution

The fourth proportional to 1,223,997.53, 1,689,083.01 and 680,119.35 is: 938,546.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,997.53 : 1,689,083.01 = 680,119.35 : x
  2. Step 2: Convert to fraction form
    1,223,997.53/1,689,083.01 = 680,119.35/x
  3. Step 3: Cross multiply
    1,223,997.53x = 1,689,083.01 × 680,119.35
  4. Step 4: Simplify right side
    1,223,997.53x = 1,148,778,038,857.24
  5. Step 5: Solve for x
    x = 1,148,778,038,857.24/1,223,997.53
  6. Step 6: Final answer
    x = 938,546.04

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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.