Home / 384,056.41-529,957.65-211,971.20

Finding the Fourth Proportional to 384,056.41, 529,957.65 and 211,971.20

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Solution

The fourth proportional to 384,056.41, 529,957.65 and 211,971.20 is: 292,498.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,056.41 : 529,957.65 = 211,971.20 : x
  2. Step 2: Convert to fraction form
    384,056.41/529,957.65 = 211,971.20/x
  3. Step 3: Cross multiply
    384,056.41x = 529,957.65 × 211,971.20
  4. Step 4: Simplify right side
    384,056.41x = 112,335,759,019.68
  5. Step 5: Solve for x
    x = 112,335,759,019.68/384,056.41
  6. Step 6: Final answer
    x = 292,498.07

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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.