Home / 1,190,620.62-1,786,176.90-391,950.18

Finding the Fourth Proportional to 1,190,620.62, 1,786,176.90 and 391,950.18

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Solution

The fourth proportional to 1,190,620.62, 1,786,176.90 and 391,950.18 is: 588,006.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,620.62 : 1,786,176.90 = 391,950.18 : x
  2. Step 2: Convert to fraction form
    1,190,620.62/1,786,176.90 = 391,950.18/x
  3. Step 3: Cross multiply
    1,190,620.62x = 1,786,176.90 × 391,950.18
  4. Step 4: Simplify right side
    1,190,620.62x = 700,092,357,466.84
  5. Step 5: Solve for x
    x = 700,092,357,466.84/1,190,620.62
  6. Step 6: Final answer
    x = 588,006.24

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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.