Home / 405,741.96-559,965.76-233,665.56

Finding the Fourth Proportional to 405,741.96, 559,965.76 and 233,665.56

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Solution

The fourth proportional to 405,741.96, 559,965.76 and 233,665.56 is: 322,482.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,741.96 : 559,965.76 = 233,665.56 : x
  2. Step 2: Convert to fraction form
    405,741.96/559,965.76 = 233,665.56/x
  3. Step 3: Cross multiply
    405,741.96x = 559,965.76 × 233,665.56
  4. Step 4: Simplify right side
    405,741.96x = 130,844,712,307.06
  5. Step 5: Solve for x
    x = 130,844,712,307.06/405,741.96
  6. Step 6: Final answer
    x = 322,482.58

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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.