Home / 1,143,869.14-1,578,541.32-634,571.56

Finding the Fourth Proportional to 1,143,869.14, 1,578,541.32 and 634,571.56

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Solution

The fourth proportional to 1,143,869.14, 1,578,541.32 and 634,571.56 is: 875,709.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,869.14 : 1,578,541.32 = 634,571.56 : x
  2. Step 2: Convert to fraction form
    1,143,869.14/1,578,541.32 = 634,571.56/x
  3. Step 3: Cross multiply
    1,143,869.14x = 1,578,541.32 × 634,571.56
  4. Step 4: Simplify right side
    1,143,869.14x = 1,001,697,427,956.86
  5. Step 5: Solve for x
    x = 1,001,697,427,956.86/1,143,869.14
  6. Step 6: Final answer
    x = 875,709.81

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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.