Home / 603,719.56-905,610.35-154,444.31

Finding the Fourth Proportional to 603,719.56, 905,610.35 and 154,444.31

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Solution

The fourth proportional to 603,719.56, 905,610.35 and 154,444.31 is: 231,674.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,719.56 : 905,610.35 = 154,444.31 : x
  2. Step 2: Convert to fraction form
    603,719.56/905,610.35 = 154,444.31/x
  3. Step 3: Cross multiply
    603,719.56x = 905,610.35 × 154,444.31
  4. Step 4: Simplify right side
    603,719.56x = 139,866,360,334.34
  5. Step 5: Solve for x
    x = 139,866,360,334.34/603,719.56
  6. Step 6: Final answer
    x = 231,674.39

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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.