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Finding the Fourth Proportional to 1,788,223.54, 2,467,813.26 and 1,024,424.72

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Solution

The fourth proportional to 1,788,223.54, 2,467,813.26 and 1,024,424.72 is: 1,413,743.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,223.54 : 2,467,813.26 = 1,024,424.72 : x
  2. Step 2: Convert to fraction form
    1,788,223.54/2,467,813.26 = 1,024,424.72/x
  3. Step 3: Cross multiply
    1,788,223.54x = 2,467,813.26 × 1,024,424.72
  4. Step 4: Simplify right side
    1,788,223.54x = 2,528,088,907,887.79
  5. Step 5: Solve for x
    x = 2,528,088,907,887.79/1,788,223.54
  6. Step 6: Final answer
    x = 1,413,743.23

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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.