Home / 999,762.88-1,497,760.80-493,731.52

Finding the Fourth Proportional to 999,762.88, 1,497,760.80 and 493,731.52

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Solution

The fourth proportional to 999,762.88, 1,497,760.80 and 493,731.52 is: 739,667.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,762.88 : 1,497,760.80 = 493,731.52 : x
  2. Step 2: Convert to fraction form
    999,762.88/1,497,760.80 = 493,731.52/x
  3. Step 3: Cross multiply
    999,762.88x = 1,497,760.80 × 493,731.52
  4. Step 4: Simplify right side
    999,762.88x = 739,491,716,380.42
  5. Step 5: Solve for x
    x = 739,491,716,380.42/999,762.88
  6. Step 6: Final answer
    x = 739,667.11

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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.