Home / 730,458.39-1,095,687.57-197,979.41

Finding the Fourth Proportional to 730,458.39, 1,095,687.57 and 197,979.41

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Solution

The fourth proportional to 730,458.39, 1,095,687.57 and 197,979.41 is: 296,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,458.39 : 1,095,687.57 = 197,979.41 : x
  2. Step 2: Convert to fraction form
    730,458.39/1,095,687.57 = 197,979.41/x
  3. Step 3: Cross multiply
    730,458.39x = 1,095,687.57 × 197,979.41
  4. Step 4: Simplify right side
    730,458.39x = 216,923,573,174.50
  5. Step 5: Solve for x
    x = 216,923,573,174.50/730,458.39
  6. Step 6: Final answer
    x = 296,969.10

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Double scale
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Similar ratio
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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.