Home / 627,511.80-941,786.10-291,070.20

Finding the Fourth Proportional to 627,511.80, 941,786.10 and 291,070.20

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Solution

The fourth proportional to 627,511.80, 941,786.10 and 291,070.20 is: 436,845.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,511.80 : 941,786.10 = 291,070.20 : x
  2. Step 2: Convert to fraction form
    627,511.80/941,786.10 = 291,070.20/x
  3. Step 3: Cross multiply
    627,511.80x = 941,786.10 × 291,070.20
  4. Step 4: Simplify right side
    627,511.80x = 274,125,868,484.22
  5. Step 5: Solve for x
    x = 274,125,868,484.22/627,511.80
  6. Step 6: Final answer
    x = 436,845.76

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Double scale
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Similar ratio
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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.