Home / 405,528.93-559,611.45-233,452.53

Finding the Fourth Proportional to 405,528.93, 559,611.45 and 233,452.53

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Solution

The fourth proportional to 405,528.93, 559,611.45 and 233,452.53 is: 322,153.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,528.93 : 559,611.45 = 233,452.53 : x
  2. Step 2: Convert to fraction form
    405,528.93/559,611.45 = 233,452.53/x
  3. Step 3: Cross multiply
    405,528.93x = 559,611.45 × 233,452.53
  4. Step 4: Simplify right side
    405,528.93x = 130,642,708,819.47
  5. Step 5: Solve for x
    x = 130,642,708,819.47/405,528.93
  6. Step 6: Final answer
    x = 322,153.86

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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.