Home / 854,235.36-1,178,794.11-472,239.36

Finding the Fourth Proportional to 854,235.36, 1,178,794.11 and 472,239.36

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Solution

The fourth proportional to 854,235.36, 1,178,794.11 and 472,239.36 is: 651,662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,235.36 : 1,178,794.11 = 472,239.36 : x
  2. Step 2: Convert to fraction form
    854,235.36/1,178,794.11 = 472,239.36/x
  3. Step 3: Cross multiply
    854,235.36x = 1,178,794.11 × 472,239.36
  4. Step 4: Simplify right side
    854,235.36x = 556,672,976,078.17
  5. Step 5: Solve for x
    x = 556,672,976,078.17/854,235.36
  6. Step 6: Final answer
    x = 651,662.30

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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.