Home / 383,888.24-529,935.66-247,988.46

Finding the Fourth Proportional to 383,888.24, 529,935.66 and 247,988.46

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Solution

The fourth proportional to 383,888.24, 529,935.66 and 247,988.46 is: 342,333.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,888.24 : 529,935.66 = 247,988.46 : x
  2. Step 2: Convert to fraction form
    383,888.24/529,935.66 = 247,988.46/x
  3. Step 3: Cross multiply
    383,888.24x = 529,935.66 × 247,988.46
  4. Step 4: Simplify right side
    383,888.24x = 131,417,928,222.48
  5. Step 5: Solve for x
    x = 131,417,928,222.48/383,888.24
  6. Step 6: Final answer
    x = 342,333.83

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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.