Home / 495,186.85-683,360.73-291,246.37

Finding the Fourth Proportional to 495,186.85, 683,360.73 and 291,246.37

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Solution

The fourth proportional to 495,186.85, 683,360.73 and 291,246.37 is: 401,921.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,186.85 : 683,360.73 = 291,246.37 : x
  2. Step 2: Convert to fraction form
    495,186.85/683,360.73 = 291,246.37/x
  3. Step 3: Cross multiply
    495,186.85x = 683,360.73 × 291,246.37
  4. Step 4: Simplify right side
    495,186.85x = 199,026,332,013.05
  5. Step 5: Solve for x
    x = 199,026,332,013.05/495,186.85
  6. Step 6: Final answer
    x = 401,921.68

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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.