Home / 707,321.52-1,060,993.44-393,771.36

Finding the Fourth Proportional to 707,321.52, 1,060,993.44 and 393,771.36

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Solution

The fourth proportional to 707,321.52, 1,060,993.44 and 393,771.36 is: 590,663.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,321.52 : 1,060,993.44 = 393,771.36 : x
  2. Step 2: Convert to fraction form
    707,321.52/1,060,993.44 = 393,771.36/x
  3. Step 3: Cross multiply
    707,321.52x = 1,060,993.44 × 393,771.36
  4. Step 4: Simplify right side
    707,321.52x = 417,788,829,819.88
  5. Step 5: Solve for x
    x = 417,788,829,819.88/707,321.52
  6. Step 6: Final answer
    x = 590,663.25

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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.