Home / 379,631.58-523,893.96-207,549.93

Finding the Fourth Proportional to 379,631.58, 523,893.96 and 207,549.93

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Solution

The fourth proportional to 379,631.58, 523,893.96 and 207,549.93 is: 286,420.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,631.58 : 523,893.96 = 207,549.93 : x
  2. Step 2: Convert to fraction form
    379,631.58/523,893.96 = 207,549.93/x
  3. Step 3: Cross multiply
    379,631.58x = 523,893.96 × 207,549.93
  4. Step 4: Simplify right side
    379,631.58x = 108,734,154,725.42
  5. Step 5: Solve for x
    x = 108,734,154,725.42/379,631.58
  6. Step 6: Final answer
    x = 286,420.20

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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.