Home / 939,836.96-1,296,666.16-531,898.28

Finding the Fourth Proportional to 939,836.96, 1,296,666.16 and 531,898.28

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Solution

The fourth proportional to 939,836.96, 1,296,666.16 and 531,898.28 is: 733,844.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,836.96 : 1,296,666.16 = 531,898.28 : x
  2. Step 2: Convert to fraction form
    939,836.96/1,296,666.16 = 531,898.28/x
  3. Step 3: Cross multiply
    939,836.96x = 1,296,666.16 × 531,898.28
  4. Step 4: Simplify right side
    939,836.96x = 689,694,500,238.21
  5. Step 5: Solve for x
    x = 689,694,500,238.21/939,836.96
  6. Step 6: Final answer
    x = 733,844.84

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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.