Home / 405,531.46-559,622.32-224,237.36

Finding the Fourth Proportional to 405,531.46, 559,622.32 and 224,237.36

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Solution

The fourth proportional to 405,531.46, 559,622.32 and 224,237.36 is: 309,441.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,531.46 : 559,622.32 = 224,237.36 : x
  2. Step 2: Convert to fraction form
    405,531.46/559,622.32 = 224,237.36/x
  3. Step 3: Cross multiply
    405,531.46x = 559,622.32 × 224,237.36
  4. Step 4: Simplify right side
    405,531.46x = 125,488,232,472.34
  5. Step 5: Solve for x
    x = 125,488,232,472.34/405,531.46
  6. Step 6: Final answer
    x = 309,441.42

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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.