Home / 1,174,679.36-1,621,005.60-665,371.52

Finding the Fourth Proportional to 1,174,679.36, 1,621,005.60 and 665,371.52

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Solution

The fourth proportional to 1,174,679.36, 1,621,005.60 and 665,371.52 is: 918,183.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,679.36 : 1,621,005.60 = 665,371.52 : x
  2. Step 2: Convert to fraction form
    1,174,679.36/1,621,005.60 = 665,371.52/x
  3. Step 3: Cross multiply
    1,174,679.36x = 1,621,005.60 × 665,371.52
  4. Step 4: Simplify right side
    1,174,679.36x = 1,078,570,960,000.51
  5. Step 5: Solve for x
    x = 1,078,570,960,000.51/1,174,679.36
  6. Step 6: Final answer
    x = 918,183.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.