Home / 647,080.34-970,623-197,799.48

Finding the Fourth Proportional to 647,080.34, 970,623 and 197,799.48

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Solution

The fourth proportional to 647,080.34, 970,623 and 197,799.48 is: 296,699.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,080.34 : 970,623 = 197,799.48 : x
  2. Step 2: Convert to fraction form
    647,080.34/970,623 = 197,799.48/x
  3. Step 3: Cross multiply
    647,080.34x = 970,623 × 197,799.48
  4. Step 4: Simplify right side
    647,080.34x = 191,988,724,676.04
  5. Step 5: Solve for x
    x = 191,988,724,676.04/647,080.34
  6. Step 6: Final answer
    x = 296,699.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.