Home / 479,622.36-661,831.68-264,748.56

Finding the Fourth Proportional to 479,622.36, 661,831.68 and 264,748.56

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Solution

The fourth proportional to 479,622.36, 661,831.68 and 264,748.56 is: 365,326.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,622.36 : 661,831.68 = 264,748.56 : x
  2. Step 2: Convert to fraction form
    479,622.36/661,831.68 = 264,748.56/x
  3. Step 3: Cross multiply
    479,622.36x = 661,831.68 × 264,748.56
  4. Step 4: Simplify right side
    479,622.36x = 175,218,984,242.38
  5. Step 5: Solve for x
    x = 175,218,984,242.38/479,622.36
  6. Step 6: Final answer
    x = 365,326.97

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1.5x scale

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.