Home / 1,171,920.08-1,616,773.57-763,878.74

Finding the Fourth Proportional to 1,171,920.08, 1,616,773.57 and 763,878.74

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Solution

The fourth proportional to 1,171,920.08, 1,616,773.57 and 763,878.74 is: 1,053,842.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,920.08 : 1,616,773.57 = 763,878.74 : x
  2. Step 2: Convert to fraction form
    1,171,920.08/1,616,773.57 = 763,878.74/x
  3. Step 3: Cross multiply
    1,171,920.08x = 1,616,773.57 × 763,878.74
  4. Step 4: Simplify right side
    1,171,920.08x = 1,235,018,947,523.34
  5. Step 5: Solve for x
    x = 1,235,018,947,523.34/1,171,920.08
  6. Step 6: Final answer
    x = 1,053,842.29

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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.