Home / 463,664.02-639,536.78-326,134.62

Finding the Fourth Proportional to 463,664.02, 639,536.78 and 326,134.62

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Solution

The fourth proportional to 463,664.02, 639,536.78 and 326,134.62 is: 449,841.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,664.02 : 639,536.78 = 326,134.62 : x
  2. Step 2: Convert to fraction form
    463,664.02/639,536.78 = 326,134.62/x
  3. Step 3: Cross multiply
    463,664.02x = 639,536.78 × 326,134.62
  4. Step 4: Simplify right side
    463,664.02x = 208,575,087,135.50
  5. Step 5: Solve for x
    x = 208,575,087,135.50/463,664.02
  6. Step 6: Final answer
    x = 449,841.00

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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.