Home / 579,280.52-799,179.05-361,362.38

Finding the Fourth Proportional to 579,280.52, 799,179.05 and 361,362.38

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Solution

The fourth proportional to 579,280.52, 799,179.05 and 361,362.38 is: 498,537.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,280.52 : 799,179.05 = 361,362.38 : x
  2. Step 2: Convert to fraction form
    579,280.52/799,179.05 = 361,362.38/x
  3. Step 3: Cross multiply
    579,280.52x = 799,179.05 × 361,362.38
  4. Step 4: Simplify right side
    579,280.52x = 288,793,243,554.14
  5. Step 5: Solve for x
    x = 288,793,243,554.14/579,280.52
  6. Step 6: Final answer
    x = 498,537.81

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1.5x scale

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.