Home / 495,177.14-683,347.28-291,236.64

Finding the Fourth Proportional to 495,177.14, 683,347.28 and 291,236.64

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Solution

The fourth proportional to 495,177.14, 683,347.28 and 291,236.64 is: 401,908.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,177.14 : 683,347.28 = 291,236.64 : x
  2. Step 2: Convert to fraction form
    495,177.14/683,347.28 = 291,236.64/x
  3. Step 3: Cross multiply
    495,177.14x = 683,347.28 × 291,236.64
  4. Step 4: Simplify right side
    495,177.14x = 199,015,764,324.16
  5. Step 5: Solve for x
    x = 199,015,764,324.16/495,177.14
  6. Step 6: Final answer
    x = 401,908.23

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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.