Home / 1,055,999.40-1,581,848.70-655,410.60

Finding the Fourth Proportional to 1,055,999.40, 1,581,848.70 and 655,410.60

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Solution

The fourth proportional to 1,055,999.40, 1,581,848.70 and 655,410.60 is: 981,781.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,999.40 : 1,581,848.70 = 655,410.60 : x
  2. Step 2: Convert to fraction form
    1,055,999.40/1,581,848.70 = 655,410.60/x
  3. Step 3: Cross multiply
    1,055,999.40x = 1,581,848.70 × 655,410.60
  4. Step 4: Simplify right side
    1,055,999.40x = 1,036,760,405,576.22
  5. Step 5: Solve for x
    x = 1,036,760,405,576.22/1,055,999.40
  6. Step 6: Final answer
    x = 981,781.24

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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.