Home / 405,199.04-559,208.34-223,946.35

Finding the Fourth Proportional to 405,199.04, 559,208.34 and 223,946.35

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Solution

The fourth proportional to 405,199.04, 559,208.34 and 223,946.35 is: 309,064.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,199.04 : 559,208.34 = 223,946.35 : x
  2. Step 2: Convert to fraction form
    405,199.04/559,208.34 = 223,946.35/x
  3. Step 3: Cross multiply
    405,199.04x = 559,208.34 × 223,946.35
  4. Step 4: Simplify right side
    405,199.04x = 125,232,665,234.54
  5. Step 5: Solve for x
    x = 125,232,665,234.54/405,199.04
  6. Step 6: Final answer
    x = 309,064.57

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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.