Home / 854,067.80-1,178,562.90-472,071.80

Finding the Fourth Proportional to 854,067.80, 1,178,562.90 and 472,071.80

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Solution

The fourth proportional to 854,067.80, 1,178,562.90 and 472,071.80 is: 651,431.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,067.80 : 1,178,562.90 = 472,071.80 : x
  2. Step 2: Convert to fraction form
    854,067.80/1,178,562.90 = 472,071.80/x
  3. Step 3: Cross multiply
    854,067.80x = 1,178,562.90 × 472,071.80
  4. Step 4: Simplify right side
    854,067.80x = 556,366,309,616.22
  5. Step 5: Solve for x
    x = 556,366,309,616.22/854,067.80
  6. Step 6: Final answer
    x = 651,431.08

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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.