Home / 470,757.12-649,588.32-266,831.52

Finding the Fourth Proportional to 470,757.12, 649,588.32 and 266,831.52

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Solution

The fourth proportional to 470,757.12, 649,588.32 and 266,831.52 is: 368,195.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,757.12 : 649,588.32 = 266,831.52 : x
  2. Step 2: Convert to fraction form
    470,757.12/649,588.32 = 266,831.52/x
  3. Step 3: Cross multiply
    470,757.12x = 649,588.32 × 266,831.52
  4. Step 4: Simplify right side
    470,757.12x = 173,330,638,799.85
  5. Step 5: Solve for x
    x = 173,330,638,799.85/470,757.12
  6. Step 6: Final answer
    x = 368,195.47

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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.