Home / 3,533,680.72-5,299,889.54-939,999.51

Finding the Fourth Proportional to 3,533,680.72, 5,299,889.54 and 939,999.51

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Solution

The fourth proportional to 3,533,680.72, 5,299,889.54 and 939,999.51 is: 1,409,831.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,533,680.72 : 5,299,889.54 = 939,999.51 : x
  2. Step 2: Convert to fraction form
    3,533,680.72/5,299,889.54 = 939,999.51/x
  3. Step 3: Cross multiply
    3,533,680.72x = 5,299,889.54 × 939,999.51
  4. Step 4: Simplify right side
    3,533,680.72x = 4,981,893,573,004.13
  5. Step 5: Solve for x
    x = 4,981,893,573,004.13/3,533,680.72
  6. Step 6: Final answer
    x = 1,409,831.27

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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.