Home / 876,350.80-1,314,137.40-403,181.20

Finding the Fourth Proportional to 876,350.80, 1,314,137.40 and 403,181.20

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Solution

The fourth proportional to 876,350.80, 1,314,137.40 and 403,181.20 is: 604,592.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,350.80 : 1,314,137.40 = 403,181.20 : x
  2. Step 2: Convert to fraction form
    876,350.80/1,314,137.40 = 403,181.20/x
  3. Step 3: Cross multiply
    876,350.80x = 1,314,137.40 × 403,181.20
  4. Step 4: Simplify right side
    876,350.80x = 529,835,493,896.88
  5. Step 5: Solve for x
    x = 529,835,493,896.88/876,350.80
  6. Step 6: Final answer
    x = 604,592.93

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1.5x scale

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.