Home / 705,645.20-1,055,875.80-519,021.20

Finding the Fourth Proportional to 705,645.20, 1,055,875.80 and 519,021.20

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Solution

The fourth proportional to 705,645.20, 1,055,875.80 and 519,021.20 is: 776,625.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,645.20 : 1,055,875.80 = 519,021.20 : x
  2. Step 2: Convert to fraction form
    705,645.20/1,055,875.80 = 519,021.20/x
  3. Step 3: Cross multiply
    705,645.20x = 1,055,875.80 × 519,021.20
  4. Step 4: Simplify right side
    705,645.20x = 548,021,924,766.96
  5. Step 5: Solve for x
    x = 548,021,924,766.96/705,645.20
  6. Step 6: Final answer
    x = 776,625.31

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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.