Home / 470,647.11-649,498.04-255,787.19

Finding the Fourth Proportional to 470,647.11, 649,498.04 and 255,787.19

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Solution

The fourth proportional to 470,647.11, 649,498.04 and 255,787.19 is: 352,989.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,647.11 : 649,498.04 = 255,787.19 : x
  2. Step 2: Convert to fraction form
    470,647.11/649,498.04 = 255,787.19/x
  3. Step 3: Cross multiply
    470,647.11x = 649,498.04 × 255,787.19
  4. Step 4: Simplify right side
    470,647.11x = 166,133,274,035.68
  5. Step 5: Solve for x
    x = 166,133,274,035.68/470,647.11
  6. Step 6: Final answer
    x = 352,989.05

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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.