Home / 722,076.28-996,632.56-480,369.04

Finding the Fourth Proportional to 722,076.28, 996,632.56 and 480,369.04

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Solution

The fourth proportional to 722,076.28, 996,632.56 and 480,369.04 is: 663,020.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,076.28 : 996,632.56 = 480,369.04 : x
  2. Step 2: Convert to fraction form
    722,076.28/996,632.56 = 480,369.04/x
  3. Step 3: Cross multiply
    722,076.28x = 996,632.56 × 480,369.04
  4. Step 4: Simplify right side
    722,076.28x = 478,751,426,079.94
  5. Step 5: Solve for x
    x = 478,751,426,079.94/722,076.28
  6. Step 6: Final answer
    x = 663,020.57

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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.