Home / 379,827.84-524,141.10-207,711.57

Finding the Fourth Proportional to 379,827.84, 524,141.10 and 207,711.57

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Solution

The fourth proportional to 379,827.84, 524,141.10 and 207,711.57 is: 286,630.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,827.84 : 524,141.10 = 207,711.57 : x
  2. Step 2: Convert to fraction form
    379,827.84/524,141.10 = 207,711.57/x
  3. Step 3: Cross multiply
    379,827.84x = 524,141.10 × 207,711.57
  4. Step 4: Simplify right side
    379,827.84x = 108,870,170,782.53
  5. Step 5: Solve for x
    x = 108,870,170,782.53/379,827.84
  6. Step 6: Final answer
    x = 286,630.31

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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.