Home / 443,541.56-612,087.53-239,592.47

Finding the Fourth Proportional to 443,541.56, 612,087.53 and 239,592.47

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Solution

The fourth proportional to 443,541.56, 612,087.53 and 239,592.47 is: 330,637.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,541.56 : 612,087.53 = 239,592.47 : x
  2. Step 2: Convert to fraction form
    443,541.56/612,087.53 = 239,592.47/x
  3. Step 3: Cross multiply
    443,541.56x = 612,087.53 × 239,592.47
  4. Step 4: Simplify right side
    443,541.56x = 146,651,558,910.50
  5. Step 5: Solve for x
    x = 146,651,558,910.50/443,541.56
  6. Step 6: Final answer
    x = 330,637.70

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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.