Home / 816,056.60-1,224,279.30-394,986.20

Finding the Fourth Proportional to 816,056.60, 1,224,279.30 and 394,986.20

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Solution

The fourth proportional to 816,056.60, 1,224,279.30 and 394,986.20 is: 592,573.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,056.60 : 1,224,279.30 = 394,986.20 : x
  2. Step 2: Convert to fraction form
    816,056.60/1,224,279.30 = 394,986.20/x
  3. Step 3: Cross multiply
    816,056.60x = 1,224,279.30 × 394,986.20
  4. Step 4: Simplify right side
    816,056.60x = 483,573,428,445.66
  5. Step 5: Solve for x
    x = 483,573,428,445.66/816,056.60
  6. Step 6: Final answer
    x = 592,573.39

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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.