Home / 407,110.05-611,619.27-384,104.25

Finding the Fourth Proportional to 407,110.05, 611,619.27 and 384,104.25

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Solution

The fourth proportional to 407,110.05, 611,619.27 and 384,104.25 is: 577,056.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,110.05 : 611,619.27 = 384,104.25 : x
  2. Step 2: Convert to fraction form
    407,110.05/611,619.27 = 384,104.25/x
  3. Step 3: Cross multiply
    407,110.05x = 611,619.27 × 384,104.25
  4. Step 4: Simplify right side
    407,110.05x = 234,925,560,988.90
  5. Step 5: Solve for x
    x = 234,925,560,988.90/407,110.05
  6. Step 6: Final answer
    x = 577,056.65

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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.