Home / 443,536.48-612,080.24-239,587.36

Finding the Fourth Proportional to 443,536.48, 612,080.24 and 239,587.36

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Solution

The fourth proportional to 443,536.48, 612,080.24 and 239,587.36 is: 330,630.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,536.48 : 612,080.24 = 239,587.36 : x
  2. Step 2: Convert to fraction form
    443,536.48/612,080.24 = 239,587.36/x
  3. Step 3: Cross multiply
    443,536.48x = 612,080.24 × 239,587.36
  4. Step 4: Simplify right side
    443,536.48x = 146,646,688,809.77
  5. Step 5: Solve for x
    x = 146,646,688,809.77/443,536.48
  6. Step 6: Final answer
    x = 330,630.50

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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.