Home / 470,739.92-705,888.04-171,009.20

Finding the Fourth Proportional to 470,739.92, 705,888.04 and 171,009.20

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Solution

The fourth proportional to 470,739.92, 705,888.04 and 171,009.20 is: 256,433.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,739.92 : 705,888.04 = 171,009.20 : x
  2. Step 2: Convert to fraction form
    470,739.92/705,888.04 = 171,009.20/x
  3. Step 3: Cross multiply
    470,739.92x = 705,888.04 × 171,009.20
  4. Step 4: Simplify right side
    470,739.92x = 120,713,349,009.97
  5. Step 5: Solve for x
    x = 120,713,349,009.97/470,739.92
  6. Step 6: Final answer
    x = 256,433.21

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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.