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Finding the Fourth Proportional to 1,964,130.74, 2,710,473.72 and 1,104,690.77

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Solution

The fourth proportional to 1,964,130.74, 2,710,473.72 and 1,104,690.77 is: 1,524,458.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,130.74 : 2,710,473.72 = 1,104,690.77 : x
  2. Step 2: Convert to fraction form
    1,964,130.74/2,710,473.72 = 1,104,690.77/x
  3. Step 3: Cross multiply
    1,964,130.74x = 2,710,473.72 × 1,104,690.77
  4. Step 4: Simplify right side
    1,964,130.74x = 2,994,235,300,811.56
  5. Step 5: Solve for x
    x = 2,994,235,300,811.56/1,964,130.74
  6. Step 6: Final answer
    x = 1,524,458.24

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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.