Home / 1,143,840.41-1,578,501.23-634,542.78

Finding the Fourth Proportional to 1,143,840.41, 1,578,501.23 and 634,542.78

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Solution

The fourth proportional to 1,143,840.41, 1,578,501.23 and 634,542.78 is: 875,669.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,840.41 : 1,578,501.23 = 634,542.78 : x
  2. Step 2: Convert to fraction form
    1,143,840.41/1,578,501.23 = 634,542.78/x
  3. Step 3: Cross multiply
    1,143,840.41x = 1,578,501.23 × 634,542.78
  4. Step 4: Simplify right side
    1,143,840.41x = 1,001,626,555,544.91
  5. Step 5: Solve for x
    x = 1,001,626,555,544.91/1,143,840.41
  6. Step 6: Final answer
    x = 875,669.85

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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.