Home / 1,289,792.29-1,934,692.94-391,241.77

Finding the Fourth Proportional to 1,289,792.29, 1,934,692.94 and 391,241.77

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Solution

The fourth proportional to 1,289,792.29, 1,934,692.94 and 391,241.77 is: 586,864.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,792.29 : 1,934,692.94 = 391,241.77 : x
  2. Step 2: Convert to fraction form
    1,289,792.29/1,934,692.94 = 391,241.77/x
  3. Step 3: Cross multiply
    1,289,792.29x = 1,934,692.94 × 391,241.77
  4. Step 4: Simplify right side
    1,289,792.29x = 756,932,690,252.10
  5. Step 5: Solve for x
    x = 756,932,690,252.10/1,289,792.29
  6. Step 6: Final answer
    x = 586,864.02

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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.