Home / 705,803.21-973,991.32-395,685.25

Finding the Fourth Proportional to 705,803.21, 973,991.32 and 395,685.25

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Solution

The fourth proportional to 705,803.21, 973,991.32 and 395,685.25 is: 546,036.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,803.21 : 973,991.32 = 395,685.25 : x
  2. Step 2: Convert to fraction form
    705,803.21/973,991.32 = 395,685.25/x
  3. Step 3: Cross multiply
    705,803.21x = 973,991.32 × 395,685.25
  4. Step 4: Simplify right side
    705,803.21x = 385,393,998,952.03
  5. Step 5: Solve for x
    x = 385,393,998,952.03/705,803.21
  6. Step 6: Final answer
    x = 546,036.05

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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.