Home / 1,132,518.60-1,698,786.54-413,375.76

Finding the Fourth Proportional to 1,132,518.60, 1,698,786.54 and 413,375.76

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Solution

The fourth proportional to 1,132,518.60, 1,698,786.54 and 413,375.76 is: 620,066.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,518.60 : 1,698,786.54 = 413,375.76 : x
  2. Step 2: Convert to fraction form
    1,132,518.60/1,698,786.54 = 413,375.76/x
  3. Step 3: Cross multiply
    1,132,518.60x = 1,698,786.54 × 413,375.76
  4. Step 4: Simplify right side
    1,132,518.60x = 702,237,177,050.27
  5. Step 5: Solve for x
    x = 702,237,177,050.27/1,132,518.60
  6. Step 6: Final answer
    x = 620,066.79

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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.