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Finding the Fourth Proportional to 1,590,843, 2,195,363.70 and 875,451

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Solution

The fourth proportional to 1,590,843, 2,195,363.70 and 875,451 is: 1,208,122.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,843 : 2,195,363.70 = 875,451 : x
  2. Step 2: Convert to fraction form
    1,590,843/2,195,363.70 = 875,451/x
  3. Step 3: Cross multiply
    1,590,843x = 2,195,363.70 × 875,451
  4. Step 4: Simplify right side
    1,590,843x = 1,921,933,346,528.70
  5. Step 5: Solve for x
    x = 1,921,933,346,528.70/1,590,843
  6. Step 6: Final answer
    x = 1,208,122.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.