Home / 1,658,741.76-2,285,867.52-1,205,314.56

Finding the Fourth Proportional to 1,658,741.76, 2,285,867.52 and 1,205,314.56

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Solution

The fourth proportional to 1,658,741.76, 2,285,867.52 and 1,205,314.56 is: 1,661,011.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,741.76 : 2,285,867.52 = 1,205,314.56 : x
  2. Step 2: Convert to fraction form
    1,658,741.76/2,285,867.52 = 1,205,314.56/x
  3. Step 3: Cross multiply
    1,658,741.76x = 2,285,867.52 × 1,205,314.56
  4. Step 4: Simplify right side
    1,658,741.76x = 2,755,189,404,087.09
  5. Step 5: Solve for x
    x = 2,755,189,404,087.09/1,658,741.76
  6. Step 6: Final answer
    x = 1,661,011.66

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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.