Home / 404,736.12-559,032.84-303,215.76

Finding the Fourth Proportional to 404,736.12, 559,032.84 and 303,215.76

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Solution

The fourth proportional to 404,736.12, 559,032.84 and 303,215.76 is: 418,810.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,736.12 : 559,032.84 = 303,215.76 : x
  2. Step 2: Convert to fraction form
    404,736.12/559,032.84 = 303,215.76/x
  3. Step 3: Cross multiply
    404,736.12x = 559,032.84 × 303,215.76
  4. Step 4: Simplify right side
    404,736.12x = 169,507,567,445.56
  5. Step 5: Solve for x
    x = 169,507,567,445.56/404,736.12
  6. Step 6: Final answer
    x = 418,810.08

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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.