Home / 1,251,770.70-1,727,444.03-678,810.72

Finding the Fourth Proportional to 1,251,770.70, 1,727,444.03 and 678,810.72

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Solution

The fourth proportional to 1,251,770.70, 1,727,444.03 and 678,810.72 is: 936,759.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,770.70 : 1,727,444.03 = 678,810.72 : x
  2. Step 2: Convert to fraction form
    1,251,770.70/1,727,444.03 = 678,810.72/x
  3. Step 3: Cross multiply
    1,251,770.70x = 1,727,444.03 × 678,810.72
  4. Step 4: Simplify right side
    1,251,770.70x = 1,172,607,522,369.95
  5. Step 5: Solve for x
    x = 1,172,607,522,369.95/1,251,770.70
  6. Step 6: Final answer
    x = 936,759.04

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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.