Home / 854,947.51-1,179,774.42-472,974.29

Finding the Fourth Proportional to 854,947.51, 1,179,774.42 and 472,974.29

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Solution

The fourth proportional to 854,947.51, 1,179,774.42 and 472,974.29 is: 652,675.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,947.51 : 1,179,774.42 = 472,974.29 : x
  2. Step 2: Convert to fraction form
    854,947.51/1,179,774.42 = 472,974.29/x
  3. Step 3: Cross multiply
    854,947.51x = 1,179,774.42 × 472,974.29
  4. Step 4: Simplify right side
    854,947.51x = 558,002,965,411.29
  5. Step 5: Solve for x
    x = 558,002,965,411.29/854,947.51
  6. Step 6: Final answer
    x = 652,675.12

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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.