Home / 519,824.08-779,763.96-164,865.04

Finding the Fourth Proportional to 519,824.08, 779,763.96 and 164,865.04

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Solution

The fourth proportional to 519,824.08, 779,763.96 and 164,865.04 is: 247,306.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,824.08 : 779,763.96 = 164,865.04 : x
  2. Step 2: Convert to fraction form
    519,824.08/779,763.96 = 164,865.04/x
  3. Step 3: Cross multiply
    519,824.08x = 779,763.96 × 164,865.04
  4. Step 4: Simplify right side
    519,824.08x = 128,555,816,455.96
  5. Step 5: Solve for x
    x = 128,555,816,455.96/519,824.08
  6. Step 6: Final answer
    x = 247,306.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.