Home / 1,251,059.63-1,726,464.15-678,099.65

Finding the Fourth Proportional to 1,251,059.63, 1,726,464.15 and 678,099.65

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Solution

The fourth proportional to 1,251,059.63, 1,726,464.15 and 678,099.65 is: 935,778.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,059.63 : 1,726,464.15 = 678,099.65 : x
  2. Step 2: Convert to fraction form
    1,251,059.63/1,726,464.15 = 678,099.65/x
  3. Step 3: Cross multiply
    1,251,059.63x = 1,726,464.15 × 678,099.65
  4. Step 4: Simplify right side
    1,251,059.63x = 1,170,714,732,462.05
  5. Step 5: Solve for x
    x = 1,170,714,732,462.05/1,251,059.63
  6. Step 6: Final answer
    x = 935,778.52

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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.