Home / 405,200.48-559,175.28-223,907.36

Finding the Fourth Proportional to 405,200.48, 559,175.28 and 223,907.36

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Solution

The fourth proportional to 405,200.48, 559,175.28 and 223,907.36 is: 308,991.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,200.48 : 559,175.28 = 223,907.36 : x
  2. Step 2: Convert to fraction form
    405,200.48/559,175.28 = 223,907.36/x
  3. Step 3: Cross multiply
    405,200.48x = 559,175.28 × 223,907.36
  4. Step 4: Simplify right side
    405,200.48x = 125,203,460,722.06
  5. Step 5: Solve for x
    x = 125,203,460,722.06/405,200.48
  6. Step 6: Final answer
    x = 308,991.39

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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.