Home / 1,181,355.70-1,772,979.42-612,899.72

Finding the Fourth Proportional to 1,181,355.70, 1,772,979.42 and 612,899.72

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Solution

The fourth proportional to 1,181,355.70, 1,772,979.42 and 612,899.72 is: 919,840.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,355.70 : 1,772,979.42 = 612,899.72 : x
  2. Step 2: Convert to fraction form
    1,181,355.70/1,772,979.42 = 612,899.72/x
  3. Step 3: Cross multiply
    1,181,355.70x = 1,772,979.42 × 612,899.72
  4. Step 4: Simplify right side
    1,181,355.70x = 1,086,658,596,814.59
  5. Step 5: Solve for x
    x = 1,086,658,596,814.59/1,181,355.70
  6. Step 6: Final answer
    x = 919,840.31

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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.