Home / 476,541.54-715,108.32-296,979.30

Finding the Fourth Proportional to 476,541.54, 715,108.32 and 296,979.30

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Solution

The fourth proportional to 476,541.54, 715,108.32 and 296,979.30 is: 445,653.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,541.54 : 715,108.32 = 296,979.30 : x
  2. Step 2: Convert to fraction form
    476,541.54/715,108.32 = 296,979.30/x
  3. Step 3: Cross multiply
    476,541.54x = 715,108.32 × 296,979.30
  4. Step 4: Simplify right side
    476,541.54x = 212,372,368,297.78
  5. Step 5: Solve for x
    x = 212,372,368,297.78/476,541.54
  6. Step 6: Final answer
    x = 445,653.42

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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.