Home / 1,143,838.14-1,578,685.86-634,704.54

Finding the Fourth Proportional to 1,143,838.14, 1,578,685.86 and 634,704.54

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Solution

The fourth proportional to 1,143,838.14, 1,578,685.86 and 634,704.54 is: 875,997.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,838.14 : 1,578,685.86 = 634,704.54 : x
  2. Step 2: Convert to fraction form
    1,143,838.14/1,578,685.86 = 634,704.54/x
  3. Step 3: Cross multiply
    1,143,838.14x = 1,578,685.86 × 634,704.54
  4. Step 4: Simplify right side
    1,143,838.14x = 1,001,999,082,575.80
  5. Step 5: Solve for x
    x = 1,001,999,082,575.80/1,143,838.14
  6. Step 6: Final answer
    x = 875,997.27

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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.