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Finding the Fourth Proportional to 1,590,591, 2,195,015.58 and 875,199

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Solution

The fourth proportional to 1,590,591, 2,195,015.58 and 875,199 is: 1,207,774.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,591 : 2,195,015.58 = 875,199 : x
  2. Step 2: Convert to fraction form
    1,590,591/2,195,015.58 = 875,199/x
  3. Step 3: Cross multiply
    1,590,591x = 2,195,015.58 × 875,199
  4. Step 4: Simplify right side
    1,590,591x = 1,921,075,440,600.42
  5. Step 5: Solve for x
    x = 1,921,075,440,600.42/1,590,591
  6. Step 6: Final answer
    x = 1,207,774.62

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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.