Home / 419,838.27-579,354.95-238,525.04

Finding the Fourth Proportional to 419,838.27, 579,354.95 and 238,525.04

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Solution

The fourth proportional to 419,838.27, 579,354.95 and 238,525.04 is: 329,152.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,838.27 : 579,354.95 = 238,525.04 : x
  2. Step 2: Convert to fraction form
    419,838.27/579,354.95 = 238,525.04/x
  3. Step 3: Cross multiply
    419,838.27x = 579,354.95 × 238,525.04
  4. Step 4: Simplify right side
    419,838.27x = 138,190,658,533.55
  5. Step 5: Solve for x
    x = 138,190,658,533.55/419,838.27
  6. Step 6: Final answer
    x = 329,152.12

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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.