Home / 495,181.45-683,353.19-291,240.96

Finding the Fourth Proportional to 495,181.45, 683,353.19 and 291,240.96

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Solution

The fourth proportional to 495,181.45, 683,353.19 and 291,240.96 is: 401,914.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,181.45 : 683,353.19 = 291,240.96 : x
  2. Step 2: Convert to fraction form
    495,181.45/683,353.19 = 291,240.96/x
  3. Step 3: Cross multiply
    495,181.45x = 683,353.19 × 291,240.96
  4. Step 4: Simplify right side
    495,181.45x = 199,020,437,618.46
  5. Step 5: Solve for x
    x = 199,020,437,618.46/495,181.45
  6. Step 6: Final answer
    x = 401,914.17

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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.