Home / 419,160.39-578,444.04-228,173.73

Finding the Fourth Proportional to 419,160.39, 578,444.04 and 228,173.73

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Solution

The fourth proportional to 419,160.39, 578,444.04 and 228,173.73 is: 314,881.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,160.39 : 578,444.04 = 228,173.73 : x
  2. Step 2: Convert to fraction form
    419,160.39/578,444.04 = 228,173.73/x
  3. Step 3: Cross multiply
    419,160.39x = 578,444.04 × 228,173.73
  4. Step 4: Simplify right side
    419,160.39x = 131,985,734,203.07
  5. Step 5: Solve for x
    x = 131,985,734,203.07/419,160.39
  6. Step 6: Final answer
    x = 314,881.22

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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.