Home / 854,841.72-1,179,683.96-472,868.48

Finding the Fourth Proportional to 854,841.72, 1,179,683.96 and 472,868.48

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Solution

The fourth proportional to 854,841.72, 1,179,683.96 and 472,868.48 is: 652,559.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,841.72 : 1,179,683.96 = 472,868.48 : x
  2. Step 2: Convert to fraction form
    854,841.72/1,179,683.96 = 472,868.48/x
  3. Step 3: Cross multiply
    854,841.72x = 1,179,683.96 × 472,868.48
  4. Step 4: Simplify right side
    854,841.72x = 557,835,361,045.58
  5. Step 5: Solve for x
    x = 557,835,361,045.58/854,841.72
  6. Step 6: Final answer
    x = 652,559.82

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1.5x scale

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.