Home / 1,305,259.32-1,957,655.43-830,534.52

Finding the Fourth Proportional to 1,305,259.32, 1,957,655.43 and 830,534.52

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Solution

The fourth proportional to 1,305,259.32, 1,957,655.43 and 830,534.52 is: 1,245,653.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,259.32 : 1,957,655.43 = 830,534.52 : x
  2. Step 2: Convert to fraction form
    1,305,259.32/1,957,655.43 = 830,534.52/x
  3. Step 3: Cross multiply
    1,305,259.32x = 1,957,655.43 × 830,534.52
  4. Step 4: Simplify right side
    1,305,259.32x = 1,625,900,412,880.44
  5. Step 5: Solve for x
    x = 1,625,900,412,880.44/1,305,259.32
  6. Step 6: Final answer
    x = 1,245,653.17

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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.