Home / 715,794.48-1,072,904.38-294,840.72

Finding the Fourth Proportional to 715,794.48, 1,072,904.38 and 294,840.72

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Solution

The fourth proportional to 715,794.48, 1,072,904.38 and 294,840.72 is: 441,936.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,794.48 : 1,072,904.38 = 294,840.72 : x
  2. Step 2: Convert to fraction form
    715,794.48/1,072,904.38 = 294,840.72/x
  3. Step 3: Cross multiply
    715,794.48x = 1,072,904.38 × 294,840.72
  4. Step 4: Simplify right side
    715,794.48x = 316,335,899,890.35
  5. Step 5: Solve for x
    x = 316,335,899,890.35/715,794.48
  6. Step 6: Final answer
    x = 441,936.77

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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.