Home / 519,338.37-779,108.54-199,466.83

Finding the Fourth Proportional to 519,338.37, 779,108.54 and 199,466.83

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Solution

The fourth proportional to 519,338.37, 779,108.54 and 199,466.83 is: 299,239.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,338.37 : 779,108.54 = 199,466.83 : x
  2. Step 2: Convert to fraction form
    519,338.37/779,108.54 = 199,466.83/x
  3. Step 3: Cross multiply
    519,338.37x = 779,108.54 × 199,466.83
  4. Step 4: Simplify right side
    519,338.37x = 155,406,310,699.73
  5. Step 5: Solve for x
    x = 155,406,310,699.73/519,338.37
  6. Step 6: Final answer
    x = 299,239.03

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1.5x scale

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.