Home / 1,251,818.73-1,727,494.65-678,852.27

Finding the Fourth Proportional to 1,251,818.73, 1,727,494.65 and 678,852.27

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Solution

The fourth proportional to 1,251,818.73, 1,727,494.65 and 678,852.27 is: 936,807.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,818.73 : 1,727,494.65 = 678,852.27 : x
  2. Step 2: Convert to fraction form
    1,251,818.73/1,727,494.65 = 678,852.27/x
  3. Step 3: Cross multiply
    1,251,818.73x = 1,727,494.65 × 678,852.27
  4. Step 4: Simplify right side
    1,251,818.73x = 1,172,713,664,565.36
  5. Step 5: Solve for x
    x = 1,172,713,664,565.36/1,251,818.73
  6. Step 6: Final answer
    x = 936,807.89

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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.