Home / 823,953.80-1,236,659.70-486,572.60

Finding the Fourth Proportional to 823,953.80, 1,236,659.70 and 486,572.60

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Solution

The fourth proportional to 823,953.80, 1,236,659.70 and 486,572.60 is: 730,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,953.80 : 1,236,659.70 = 486,572.60 : x
  2. Step 2: Convert to fraction form
    823,953.80/1,236,659.70 = 486,572.60/x
  3. Step 3: Cross multiply
    823,953.80x = 1,236,659.70 × 486,572.60
  4. Step 4: Simplify right side
    823,953.80x = 601,724,725,544.22
  5. Step 5: Solve for x
    x = 601,724,725,544.22/823,953.80
  6. Step 6: Final answer
    x = 730,289.40

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Double scale
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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.