Home / 854,458.92-1,179,129.99-472,472.64

Finding the Fourth Proportional to 854,458.92, 1,179,129.99 and 472,472.64

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Solution

The fourth proportional to 854,458.92, 1,179,129.99 and 472,472.64 is: 651,999.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,458.92 : 1,179,129.99 = 472,472.64 : x
  2. Step 2: Convert to fraction form
    854,458.92/1,179,129.99 = 472,472.64/x
  3. Step 3: Cross multiply
    854,458.92x = 1,179,129.99 × 472,472.64
  4. Step 4: Simplify right side
    854,458.92x = 557,106,659,278.47
  5. Step 5: Solve for x
    x = 557,106,659,278.47/854,458.92
  6. Step 6: Final answer
    x = 651,999.35

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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.