Home / 1,297,358.54-1,946,223.53-398,875.73

Finding the Fourth Proportional to 1,297,358.54, 1,946,223.53 and 398,875.73

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Solution

The fourth proportional to 1,297,358.54, 1,946,223.53 and 398,875.73 is: 598,370.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,358.54 : 1,946,223.53 = 398,875.73 : x
  2. Step 2: Convert to fraction form
    1,297,358.54/1,946,223.53 = 398,875.73/x
  3. Step 3: Cross multiply
    1,297,358.54x = 1,946,223.53 × 398,875.73
  4. Step 4: Simplify right side
    1,297,358.54x = 776,301,321,540.81
  5. Step 5: Solve for x
    x = 776,301,321,540.81/1,297,358.54
  6. Step 6: Final answer
    x = 598,370.69

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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.