Home / 705,060.20-972,994.38-382,770.04

Finding the Fourth Proportional to 705,060.20, 972,994.38 and 382,770.04

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Solution

The fourth proportional to 705,060.20, 972,994.38 and 382,770.04 is: 528,228.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,060.20 : 972,994.38 = 382,770.04 : x
  2. Step 2: Convert to fraction form
    705,060.20/972,994.38 = 382,770.04/x
  3. Step 3: Cross multiply
    705,060.20x = 972,994.38 × 382,770.04
  4. Step 4: Simplify right side
    705,060.20x = 372,433,090,973.55
  5. Step 5: Solve for x
    x = 372,433,090,973.55/705,060.20
  6. Step 6: Final answer
    x = 528,228.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.