Home / 1,171,021-1,616,010.08-634,477

Finding the Fourth Proportional to 1,171,021, 1,616,010.08 and 634,477

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Solution

The fourth proportional to 1,171,021, 1,616,010.08 and 634,477 is: 875,578.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,021 : 1,616,010.08 = 634,477 : x
  2. Step 2: Convert to fraction form
    1,171,021/1,616,010.08 = 634,477/x
  3. Step 3: Cross multiply
    1,171,021x = 1,616,010.08 × 634,477
  4. Step 4: Simplify right side
    1,171,021x = 1,025,321,227,528.16
  5. Step 5: Solve for x
    x = 1,025,321,227,528.16/1,171,021
  6. Step 6: Final answer
    x = 875,578.86

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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.