Home / 1,251,814.50-1,727,504.01-678,855.13

Finding the Fourth Proportional to 1,251,814.50, 1,727,504.01 and 678,855.13

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Solution

The fourth proportional to 1,251,814.50, 1,727,504.01 and 678,855.13 is: 936,820.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,814.50 : 1,727,504.01 = 678,855.13 : x
  2. Step 2: Convert to fraction form
    1,251,814.50/1,727,504.01 = 678,855.13/x
  3. Step 3: Cross multiply
    1,251,814.50x = 1,727,504.01 × 678,855.13
  4. Step 4: Simplify right side
    1,251,814.50x = 1,172,724,954,965.31
  5. Step 5: Solve for x
    x = 1,172,724,954,965.31/1,251,814.50
  6. Step 6: Final answer
    x = 936,820.08

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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.