Home / 1,305,261.82-1,957,659.18-830,537.02

Finding the Fourth Proportional to 1,305,261.82, 1,957,659.18 and 830,537.02

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Solution

The fourth proportional to 1,305,261.82, 1,957,659.18 and 830,537.02 is: 1,245,656.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,261.82 : 1,957,659.18 = 830,537.02 : x
  2. Step 2: Convert to fraction form
    1,305,261.82/1,957,659.18 = 830,537.02/x
  3. Step 3: Cross multiply
    1,305,261.82x = 1,957,659.18 × 830,537.02
  4. Step 4: Simplify right side
    1,305,261.82x = 1,625,908,421,532.84
  5. Step 5: Solve for x
    x = 1,625,908,421,532.84/1,305,261.82
  6. Step 6: Final answer
    x = 1,245,656.92

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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.