Home / 379,827.86-524,153.50-210,058.34

Finding the Fourth Proportional to 379,827.86, 524,153.50 and 210,058.34

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Solution

The fourth proportional to 379,827.86, 524,153.50 and 210,058.34 is: 289,875.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,827.86 : 524,153.50 = 210,058.34 : x
  2. Step 2: Convert to fraction form
    379,827.86/524,153.50 = 210,058.34/x
  3. Step 3: Cross multiply
    379,827.86x = 524,153.50 × 210,058.34
  4. Step 4: Simplify right side
    379,827.86x = 110,102,810,969.28
  5. Step 5: Solve for x
    x = 110,102,810,969.28/379,827.86
  6. Step 6: Final answer
    x = 289,875.56

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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.