Home / 1,476,777.45-2,215,539.78-411,819.62

Finding the Fourth Proportional to 1,476,777.45, 2,215,539.78 and 411,819.62

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Solution

The fourth proportional to 1,476,777.45, 2,215,539.78 and 411,819.62 is: 617,833.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476,777.45 : 2,215,539.78 = 411,819.62 : x
  2. Step 2: Convert to fraction form
    1,476,777.45/2,215,539.78 = 411,819.62/x
  3. Step 3: Cross multiply
    1,476,777.45x = 2,215,539.78 × 411,819.62
  4. Step 4: Simplify right side
    1,476,777.45x = 912,402,745,641.05
  5. Step 5: Solve for x
    x = 912,402,745,641.05/1,476,777.45
  6. Step 6: Final answer
    x = 617,833.61

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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.