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Finding the Fourth Proportional to 1,739,513.12, 2,606,751.45 and 1,199,214.77

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Solution

The fourth proportional to 1,739,513.12, 2,606,751.45 and 1,199,214.77 is: 1,797,086.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739,513.12 : 2,606,751.45 = 1,199,214.77 : x
  2. Step 2: Convert to fraction form
    1,739,513.12/2,606,751.45 = 1,199,214.77/x
  3. Step 3: Cross multiply
    1,739,513.12x = 2,606,751.45 × 1,199,214.77
  4. Step 4: Simplify right side
    1,739,513.12x = 3,126,054,827,525.16
  5. Step 5: Solve for x
    x = 3,126,054,827,525.16/1,739,513.12
  6. Step 6: Final answer
    x = 1,797,086.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.