Home / 405,297.12-559,261.46-223,984.34

Finding the Fourth Proportional to 405,297.12, 559,261.46 and 223,984.34

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Solution

The fourth proportional to 405,297.12, 559,261.46 and 223,984.34 is: 309,071.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,297.12 : 559,261.46 = 223,984.34 : x
  2. Step 2: Convert to fraction form
    405,297.12/559,261.46 = 223,984.34/x
  3. Step 3: Cross multiply
    405,297.12x = 559,261.46 × 223,984.34
  4. Step 4: Simplify right side
    405,297.12x = 125,265,808,866.42
  5. Step 5: Solve for x
    x = 125,265,808,866.42/405,297.12
  6. Step 6: Final answer
    x = 309,071.55

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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.