Home / 639,551.30-882,575.10-353,065.23

Finding the Fourth Proportional to 639,551.30, 882,575.10 and 353,065.23

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Solution

The fourth proportional to 639,551.30, 882,575.10 and 353,065.23 is: 487,226.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,551.30 : 882,575.10 = 353,065.23 : x
  2. Step 2: Convert to fraction form
    639,551.30/882,575.10 = 353,065.23/x
  3. Step 3: Cross multiply
    639,551.30x = 882,575.10 × 353,065.23
  4. Step 4: Simplify right side
    639,551.30x = 311,606,580,673.77
  5. Step 5: Solve for x
    x = 311,606,580,673.77/639,551.30
  6. Step 6: Final answer
    x = 487,226.88

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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.