Home / 384,957.19-531,244.35-212,886.73

Finding the Fourth Proportional to 384,957.19, 531,244.35 and 212,886.73

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Solution

The fourth proportional to 384,957.19, 531,244.35 and 212,886.73 is: 293,785.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,957.19 : 531,244.35 = 212,886.73 : x
  2. Step 2: Convert to fraction form
    384,957.19/531,244.35 = 212,886.73/x
  3. Step 3: Cross multiply
    384,957.19x = 531,244.35 × 212,886.73
  4. Step 4: Simplify right side
    384,957.19x = 113,094,869,846.25
  5. Step 5: Solve for x
    x = 113,094,869,846.25/384,957.19
  6. Step 6: Final answer
    x = 293,785.58

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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.