Home / 1,182,431.52-1,631,755.44-638,567.26

Finding the Fourth Proportional to 1,182,431.52, 1,631,755.44 and 638,567.26

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Solution

The fourth proportional to 1,182,431.52, 1,631,755.44 and 638,567.26 is: 881,222.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,431.52 : 1,631,755.44 = 638,567.26 : x
  2. Step 2: Convert to fraction form
    1,182,431.52/1,631,755.44 = 638,567.26/x
  3. Step 3: Cross multiply
    1,182,431.52x = 1,631,755.44 × 638,567.26
  4. Step 4: Simplify right side
    1,182,431.52x = 1,041,985,594,635.09
  5. Step 5: Solve for x
    x = 1,041,985,594,635.09/1,182,431.52
  6. Step 6: Final answer
    x = 881,222.78

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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.