Home / 405,361.06-559,341.20-233,213.63

Finding the Fourth Proportional to 405,361.06, 559,341.20 and 233,213.63

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Solution

The fourth proportional to 405,361.06, 559,341.20 and 233,213.63 is: 321,801.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,361.06 : 559,341.20 = 233,213.63 : x
  2. Step 2: Convert to fraction form
    405,361.06/559,341.20 = 233,213.63/x
  3. Step 3: Cross multiply
    405,361.06x = 559,341.20 × 233,213.63
  4. Step 4: Simplify right side
    405,361.06x = 130,445,991,281.35
  5. Step 5: Solve for x
    x = 130,445,991,281.35/405,361.06
  6. Step 6: Final answer
    x = 321,801.98

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1.5x scale

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.