Home / 407,728.27-611,588.50-247,848.36

Finding the Fourth Proportional to 407,728.27, 611,588.50 and 247,848.36

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Solution

The fourth proportional to 407,728.27, 611,588.50 and 247,848.36 is: 371,770.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,728.27 : 611,588.50 = 247,848.36 : x
  2. Step 2: Convert to fraction form
    407,728.27/611,588.50 = 247,848.36/x
  3. Step 3: Cross multiply
    407,728.27x = 611,588.50 × 247,848.36
  4. Step 4: Simplify right side
    407,728.27x = 151,581,205,200.93
  5. Step 5: Solve for x
    x = 151,581,205,200.93/407,728.27
  6. Step 6: Final answer
    x = 371,770.16

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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.