Home / 443,536.10-612,080.06-239,587.02

Finding the Fourth Proportional to 443,536.10, 612,080.06 and 239,587.02

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Solution

The fourth proportional to 443,536.10, 612,080.06 and 239,587.02 is: 330,630.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,536.10 : 612,080.06 = 239,587.02 : x
  2. Step 2: Convert to fraction form
    443,536.10/612,080.06 = 239,587.02/x
  3. Step 3: Cross multiply
    443,536.10x = 612,080.06 × 239,587.02
  4. Step 4: Simplify right side
    443,536.10x = 146,646,437,576.82
  5. Step 5: Solve for x
    x = 146,646,437,576.82/443,536.10
  6. Step 6: Final answer
    x = 330,630.22

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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.