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Finding the Fourth Proportional to 1,590,590, 2,195,014.20 and 875,198

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Solution

The fourth proportional to 1,590,590, 2,195,014.20 and 875,198 is: 1,207,773.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,590 : 2,195,014.20 = 875,198 : x
  2. Step 2: Convert to fraction form
    1,590,590/2,195,014.20 = 875,198/x
  3. Step 3: Cross multiply
    1,590,590x = 2,195,014.20 × 875,198
  4. Step 4: Simplify right side
    1,590,590x = 1,921,072,037,811.60
  5. Step 5: Solve for x
    x = 1,921,072,037,811.60/1,590,590
  6. Step 6: Final answer
    x = 1,207,773.24

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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.