Home / 405,181.20-559,036.12-233,090.16

Finding the Fourth Proportional to 405,181.20, 559,036.12 and 233,090.16

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Solution

The fourth proportional to 405,181.20, 559,036.12 and 233,090.16 is: 321,598.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,181.20 : 559,036.12 = 233,090.16 : x
  2. Step 2: Convert to fraction form
    405,181.20/559,036.12 = 233,090.16/x
  3. Step 3: Cross multiply
    405,181.20x = 559,036.12 × 233,090.16
  4. Step 4: Simplify right side
    405,181.20x = 130,305,818,656.58
  5. Step 5: Solve for x
    x = 130,305,818,656.58/405,181.20
  6. Step 6: Final answer
    x = 321,598.88

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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.