Home / 854,539.58-1,281,936.90-314,754.74

Finding the Fourth Proportional to 854,539.58, 1,281,936.90 and 314,754.74

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Solution

The fourth proportional to 854,539.58, 1,281,936.90 and 314,754.74 is: 472,179.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,539.58 : 1,281,936.90 = 314,754.74 : x
  2. Step 2: Convert to fraction form
    854,539.58/1,281,936.90 = 314,754.74/x
  3. Step 3: Cross multiply
    854,539.58x = 1,281,936.90 × 314,754.74
  4. Step 4: Simplify right side
    854,539.58x = 403,495,715,655.91
  5. Step 5: Solve for x
    x = 403,495,715,655.91/854,539.58
  6. Step 6: Final answer
    x = 472,179.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.