Home / 1,143,715.14-1,578,515.85-634,581.54

Finding the Fourth Proportional to 1,143,715.14, 1,578,515.85 and 634,581.54

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Solution

The fourth proportional to 1,143,715.14, 1,578,515.85 and 634,581.54 is: 875,827.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,715.14 : 1,578,515.85 = 634,581.54 : x
  2. Step 2: Convert to fraction form
    1,143,715.14/1,578,515.85 = 634,581.54/x
  3. Step 3: Cross multiply
    1,143,715.14x = 1,578,515.85 × 634,581.54
  4. Step 4: Simplify right side
    1,143,715.14x = 1,001,697,019,007.41
  5. Step 5: Solve for x
    x = 1,001,697,019,007.41/1,143,715.14
  6. Step 6: Final answer
    x = 875,827.37

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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.