Home / 1,251,771.92-1,727,445.71-678,811.94

Finding the Fourth Proportional to 1,251,771.92, 1,727,445.71 and 678,811.94

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Solution

The fourth proportional to 1,251,771.92, 1,727,445.71 and 678,811.94 is: 936,760.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,771.92 : 1,727,445.71 = 678,811.94 : x
  2. Step 2: Convert to fraction form
    1,251,771.92/1,727,445.71 = 678,811.94/x
  3. Step 3: Cross multiply
    1,251,771.92x = 1,727,445.71 × 678,811.94
  4. Step 4: Simplify right side
    1,251,771.92x = 1,172,610,779,665.42
  5. Step 5: Solve for x
    x = 1,172,610,779,665.42/1,251,771.92
  6. Step 6: Final answer
    x = 936,760.73

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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.