Home / 1,333,459.30-1,840,178.47-721,611.91

Finding the Fourth Proportional to 1,333,459.30, 1,840,178.47 and 721,611.91

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Solution

The fourth proportional to 1,333,459.30, 1,840,178.47 and 721,611.91 is: 995,826.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,459.30 : 1,840,178.47 = 721,611.91 : x
  2. Step 2: Convert to fraction form
    1,333,459.30/1,840,178.47 = 721,611.91/x
  3. Step 3: Cross multiply
    1,333,459.30x = 1,840,178.47 × 721,611.91
  4. Step 4: Simplify right side
    1,333,459.30x = 1,327,894,691,276.69
  5. Step 5: Solve for x
    x = 1,327,894,691,276.69/1,333,459.30
  6. Step 6: Final answer
    x = 995,826.94

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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.