Home / 495,200.06-683,378.93-291,259.61

Finding the Fourth Proportional to 495,200.06, 683,378.93 and 291,259.61

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Solution

The fourth proportional to 495,200.06, 683,378.93 and 291,259.61 is: 401,939.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,200.06 : 683,378.93 = 291,259.61 : x
  2. Step 2: Convert to fraction form
    495,200.06/683,378.93 = 291,259.61/x
  3. Step 3: Cross multiply
    495,200.06x = 683,378.93 × 291,259.61
  4. Step 4: Simplify right side
    495,200.06x = 199,040,677,945.27
  5. Step 5: Solve for x
    x = 199,040,677,945.27/495,200.06
  6. Step 6: Final answer
    x = 401,939.94

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1.5x scale

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.