Home / 470,577.36-705,997.80-190,291.44

Finding the Fourth Proportional to 470,577.36, 705,997.80 and 190,291.44

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Solution

The fourth proportional to 470,577.36, 705,997.80 and 190,291.44 is: 285,490.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,577.36 : 705,997.80 = 190,291.44 : x
  2. Step 2: Convert to fraction form
    470,577.36/705,997.80 = 190,291.44/x
  3. Step 3: Cross multiply
    470,577.36x = 705,997.80 × 190,291.44
  4. Step 4: Simplify right side
    470,577.36x = 134,345,337,998.83
  5. Step 5: Solve for x
    x = 134,345,337,998.83/470,577.36
  6. Step 6: Final answer
    x = 285,490.44

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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.