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Finding the Fourth Proportional to 1,822,763.89, 2,515,486.13 and 1,048,393.50

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Solution

The fourth proportional to 1,822,763.89, 2,515,486.13 and 1,048,393.50 is: 1,446,824.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822,763.89 : 2,515,486.13 = 1,048,393.50 : x
  2. Step 2: Convert to fraction form
    1,822,763.89/2,515,486.13 = 1,048,393.50/x
  3. Step 3: Cross multiply
    1,822,763.89x = 2,515,486.13 × 1,048,393.50
  4. Step 4: Simplify right side
    1,822,763.89x = 2,637,219,294,339.98
  5. Step 5: Solve for x
    x = 2,637,219,294,339.98/1,822,763.89
  6. Step 6: Final answer
    x = 1,446,824.41

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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.