Home / 627,746.20-941,619.30-312,818.20

Finding the Fourth Proportional to 627,746.20, 941,619.30 and 312,818.20

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Solution

The fourth proportional to 627,746.20, 941,619.30 and 312,818.20 is: 469,227.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,746.20 : 941,619.30 = 312,818.20 : x
  2. Step 2: Convert to fraction form
    627,746.20/941,619.30 = 312,818.20/x
  3. Step 3: Cross multiply
    627,746.20x = 941,619.30 × 312,818.20
  4. Step 4: Simplify right side
    627,746.20x = 294,555,654,511.26
  5. Step 5: Solve for x
    x = 294,555,654,511.26/627,746.20
  6. Step 6: Final answer
    x = 469,227.30

Related Problems

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Half scale
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Double scale
Find fourth proportional to 627,747.20, 941,620.80 and 312,819.20
Similar ratio
Find fourth proportional to 941,619.30, 1,412,428.95 and 469,227.30
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.