Home / 1,154,691.83-1,731,855.83-386,183.70

Finding the Fourth Proportional to 1,154,691.83, 1,731,855.83 and 386,183.70

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Solution

The fourth proportional to 1,154,691.83, 1,731,855.83 and 386,183.70 is: 579,214.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,691.83 : 1,731,855.83 = 386,183.70 : x
  2. Step 2: Convert to fraction form
    1,154,691.83/1,731,855.83 = 386,183.70/x
  3. Step 3: Cross multiply
    1,154,691.83x = 1,731,855.83 × 386,183.70
  4. Step 4: Simplify right side
    1,154,691.83x = 668,814,490,365.05
  5. Step 5: Solve for x
    x = 668,814,490,365.05/1,154,691.83
  6. Step 6: Final answer
    x = 579,214.71

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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.