Home / 1,289,799.54-1,934,703.81-391,249.02

Finding the Fourth Proportional to 1,289,799.54, 1,934,703.81 and 391,249.02

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Solution

The fourth proportional to 1,289,799.54, 1,934,703.81 and 391,249.02 is: 586,874.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,799.54 : 1,934,703.81 = 391,249.02 : x
  2. Step 2: Convert to fraction form
    1,289,799.54/1,934,703.81 = 391,249.02/x
  3. Step 3: Cross multiply
    1,289,799.54x = 1,934,703.81 × 391,249.02
  4. Step 4: Simplify right side
    1,289,799.54x = 756,950,969,652.77
  5. Step 5: Solve for x
    x = 756,950,969,652.77/1,289,799.54
  6. Step 6: Final answer
    x = 586,874.90

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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.