Home / 470,655.28-705,698.07-189,844.48

Finding the Fourth Proportional to 470,655.28, 705,698.07 and 189,844.48

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Solution

The fourth proportional to 470,655.28, 705,698.07 and 189,844.48 is: 284,651.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,655.28 : 705,698.07 = 189,844.48 : x
  2. Step 2: Convert to fraction form
    470,655.28/705,698.07 = 189,844.48/x
  3. Step 3: Cross multiply
    470,655.28x = 705,698.07 × 189,844.48
  4. Step 4: Simplify right side
    470,655.28x = 133,972,883,136.15
  5. Step 5: Solve for x
    x = 133,972,883,136.15/470,655.28
  6. Step 6: Final answer
    x = 284,651.82

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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.