Home / 493,031.36-739,825.90-268,407.34

Finding the Fourth Proportional to 493,031.36, 739,825.90 and 268,407.34

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Solution

The fourth proportional to 493,031.36, 739,825.90 and 268,407.34 is: 402,762.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,031.36 : 739,825.90 = 268,407.34 : x
  2. Step 2: Convert to fraction form
    493,031.36/739,825.90 = 268,407.34/x
  3. Step 3: Cross multiply
    493,031.36x = 739,825.90 × 268,407.34
  4. Step 4: Simplify right side
    493,031.36x = 198,574,699,361.52
  5. Step 5: Solve for x
    x = 198,574,699,361.52/493,031.36
  6. Step 6: Final answer
    x = 402,762.81

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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.