Home / 1,223,236.27-1,688,044.62-679,351.24

Finding the Fourth Proportional to 1,223,236.27, 1,688,044.62 and 679,351.24

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Solution

The fourth proportional to 1,223,236.27, 1,688,044.62 and 679,351.24 is: 937,492.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,236.27 : 1,688,044.62 = 679,351.24 : x
  2. Step 2: Convert to fraction form
    1,223,236.27/1,688,044.62 = 679,351.24/x
  3. Step 3: Cross multiply
    1,223,236.27x = 1,688,044.62 × 679,351.24
  4. Step 4: Simplify right side
    1,223,236.27x = 1,146,775,205,772.33
  5. Step 5: Solve for x
    x = 1,146,775,205,772.33/1,223,236.27
  6. Step 6: Final answer
    x = 937,492.81

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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.