Home / 328,824.12-453,364.20-268,333.32

Finding the Fourth Proportional to 328,824.12, 453,364.20 and 268,333.32

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Solution

The fourth proportional to 328,824.12, 453,364.20 and 268,333.32 is: 369,962.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,824.12 : 453,364.20 = 268,333.32 : x
  2. Step 2: Convert to fraction form
    328,824.12/453,364.20 = 268,333.32/x
  3. Step 3: Cross multiply
    328,824.12x = 453,364.20 × 268,333.32
  4. Step 4: Simplify right side
    328,824.12x = 121,652,720,955.14
  5. Step 5: Solve for x
    x = 121,652,720,955.14/328,824.12
  6. Step 6: Final answer
    x = 369,962.89

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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.