Home / 1,296,581.16-1,943,864.48-840,208.33

Finding the Fourth Proportional to 1,296,581.16, 1,943,864.48 and 840,208.33

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Solution

The fourth proportional to 1,296,581.16, 1,943,864.48 and 840,208.33 is: 1,259,659.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,581.16 : 1,943,864.48 = 840,208.33 : x
  2. Step 2: Convert to fraction form
    1,296,581.16/1,943,864.48 = 840,208.33/x
  3. Step 3: Cross multiply
    1,296,581.16x = 1,943,864.48 × 840,208.33
  4. Step 4: Simplify right side
    1,296,581.16x = 1,633,251,128,487.12
  5. Step 5: Solve for x
    x = 1,633,251,128,487.12/1,296,581.16
  6. Step 6: Final answer
    x = 1,259,659.77

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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.