Home / 727,096.04-1,003,132.84-421,005.36

Finding the Fourth Proportional to 727,096.04, 1,003,132.84 and 421,005.36

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Solution

The fourth proportional to 727,096.04, 1,003,132.84 and 421,005.36 is: 580,837.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,096.04 : 1,003,132.84 = 421,005.36 : x
  2. Step 2: Convert to fraction form
    727,096.04/1,003,132.84 = 421,005.36/x
  3. Step 3: Cross multiply
    727,096.04x = 1,003,132.84 × 421,005.36
  4. Step 4: Simplify right side
    727,096.04x = 422,324,302,432.02
  5. Step 5: Solve for x
    x = 422,324,302,432.02/727,096.04
  6. Step 6: Final answer
    x = 580,837.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.