Home / 482,913.36-666,462.60-281,774.16

Finding the Fourth Proportional to 482,913.36, 666,462.60 and 281,774.16

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Solution

The fourth proportional to 482,913.36, 666,462.60 and 281,774.16 is: 388,872.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,913.36 : 666,462.60 = 281,774.16 : x
  2. Step 2: Convert to fraction form
    482,913.36/666,462.60 = 281,774.16/x
  3. Step 3: Cross multiply
    482,913.36x = 666,462.60 × 281,774.16
  4. Step 4: Simplify right side
    482,913.36x = 187,791,939,286.42
  5. Step 5: Solve for x
    x = 187,791,939,286.42/482,913.36
  6. Step 6: Final answer
    x = 388,872.94

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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.