Home / 705,201.94-973,168.63-399,270.39

Finding the Fourth Proportional to 705,201.94, 973,168.63 and 399,270.39

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Solution

The fourth proportional to 705,201.94, 973,168.63 and 399,270.39 is: 550,987.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,201.94 : 973,168.63 = 399,270.39 : x
  2. Step 2: Convert to fraction form
    705,201.94/973,168.63 = 399,270.39/x
  3. Step 3: Cross multiply
    705,201.94x = 973,168.63 × 399,270.39
  4. Step 4: Simplify right side
    705,201.94x = 388,557,418,435.87
  5. Step 5: Solve for x
    x = 388,557,418,435.87/705,201.94
  6. Step 6: Final answer
    x = 550,987.45

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1.5x scale

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.