Home / 443,534.32-612,077.58-239,585.23

Finding the Fourth Proportional to 443,534.32, 612,077.58 and 239,585.23

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Solution

The fourth proportional to 443,534.32, 612,077.58 and 239,585.23 is: 330,627.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,534.32 : 612,077.58 = 239,585.23 : x
  2. Step 2: Convert to fraction form
    443,534.32/612,077.58 = 239,585.23/x
  3. Step 3: Cross multiply
    443,534.32x = 612,077.58 × 239,585.23
  4. Step 4: Simplify right side
    443,534.32x = 146,644,747,782.14
  5. Step 5: Solve for x
    x = 146,644,747,782.14/443,534.32
  6. Step 6: Final answer
    x = 330,627.74

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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.