Home / 854,741.32-1,179,463.72-472,759.92

Finding the Fourth Proportional to 854,741.32, 1,179,463.72 and 472,759.92

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Solution

The fourth proportional to 854,741.32, 1,179,463.72 and 472,759.92 is: 652,364.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,741.32 : 1,179,463.72 = 472,759.92 : x
  2. Step 2: Convert to fraction form
    854,741.32/1,179,463.72 = 472,759.92/x
  3. Step 3: Cross multiply
    854,741.32x = 1,179,463.72 × 472,759.92
  4. Step 4: Simplify right side
    854,741.32x = 557,603,173,910.10
  5. Step 5: Solve for x
    x = 557,603,173,910.10/854,741.32
  6. Step 6: Final answer
    x = 652,364.83

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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.