Home / 1,391,622.48-2,086,775.79-539,093.43

Finding the Fourth Proportional to 1,391,622.48, 2,086,775.79 and 539,093.43

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Solution

The fourth proportional to 1,391,622.48, 2,086,775.79 and 539,093.43 is: 808,385.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,622.48 : 2,086,775.79 = 539,093.43 : x
  2. Step 2: Convert to fraction form
    1,391,622.48/2,086,775.79 = 539,093.43/x
  3. Step 3: Cross multiply
    1,391,622.48x = 2,086,775.79 × 539,093.43
  4. Step 4: Simplify right side
    1,391,622.48x = 1,124,967,118,272.06
  5. Step 5: Solve for x
    x = 1,124,967,118,272.06/1,391,622.48
  6. Step 6: Final answer
    x = 808,385.27

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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.