Home / 690,670.48-1,035,733.44-335,579.44

Finding the Fourth Proportional to 690,670.48, 1,035,733.44 and 335,579.44

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Solution

The fourth proportional to 690,670.48, 1,035,733.44 and 335,579.44 is: 503,236.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,670.48 : 1,035,733.44 = 335,579.44 : x
  2. Step 2: Convert to fraction form
    690,670.48/1,035,733.44 = 335,579.44/x
  3. Step 3: Cross multiply
    690,670.48x = 1,035,733.44 × 335,579.44
  4. Step 4: Simplify right side
    690,670.48x = 347,570,847,784.47
  5. Step 5: Solve for x
    x = 347,570,847,784.47/690,670.48
  6. Step 6: Final answer
    x = 503,236.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.