Home / 648,818.71-973,321.14-199,577.47

Finding the Fourth Proportional to 648,818.71, 973,321.14 and 199,577.47

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Solution

The fourth proportional to 648,818.71, 973,321.14 and 199,577.47 is: 299,394.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,818.71 : 973,321.14 = 199,577.47 : x
  2. Step 2: Convert to fraction form
    648,818.71/973,321.14 = 199,577.47/x
  3. Step 3: Cross multiply
    648,818.71x = 973,321.14 × 199,577.47
  4. Step 4: Simplify right side
    648,818.71x = 194,252,970,618.72
  5. Step 5: Solve for x
    x = 194,252,970,618.72/648,818.71
  6. Step 6: Final answer
    x = 299,394.83

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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.