Home / 1,333,458.67-1,840,177.61-721,611.28

Finding the Fourth Proportional to 1,333,458.67, 1,840,177.61 and 721,611.28

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Solution

The fourth proportional to 1,333,458.67, 1,840,177.61 and 721,611.28 is: 995,826.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,458.67 : 1,840,177.61 = 721,611.28 : x
  2. Step 2: Convert to fraction form
    1,333,458.67/1,840,177.61 = 721,611.28/x
  3. Step 3: Cross multiply
    1,333,458.67x = 1,840,177.61 × 721,611.28
  4. Step 4: Simplify right side
    1,333,458.67x = 1,327,892,920,579.44
  5. Step 5: Solve for x
    x = 1,327,892,920,579.44/1,333,458.67
  6. Step 6: Final answer
    x = 995,826.08

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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.