Home / 470,623.05-649,464.87-255,763.16

Finding the Fourth Proportional to 470,623.05, 649,464.87 and 255,763.16

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Solution

The fourth proportional to 470,623.05, 649,464.87 and 255,763.16 is: 352,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,623.05 : 649,464.87 = 255,763.16 : x
  2. Step 2: Convert to fraction form
    470,623.05/649,464.87 = 255,763.16/x
  3. Step 3: Cross multiply
    470,623.05x = 649,464.87 × 255,763.16
  4. Step 4: Simplify right side
    470,623.05x = 166,109,184,212.87
  5. Step 5: Solve for x
    x = 166,109,184,212.87/470,623.05
  6. Step 6: Final answer
    x = 352,955.90

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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.