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Finding the Fourth Proportional to 1,593,603, 2,199,172.14 and 878,211

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Solution

The fourth proportional to 1,593,603, 2,199,172.14 and 878,211 is: 1,211,931.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,593,603 : 2,199,172.14 = 878,211 : x
  2. Step 2: Convert to fraction form
    1,593,603/2,199,172.14 = 878,211/x
  3. Step 3: Cross multiply
    1,593,603x = 2,199,172.14 × 878,211
  4. Step 4: Simplify right side
    1,593,603x = 1,931,337,164,241.54
  5. Step 5: Solve for x
    x = 1,931,337,164,241.54/1,593,603
  6. Step 6: Final answer
    x = 1,211,931.18

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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.