Home / 682,270.20-941,918.40-453,220.20

Finding the Fourth Proportional to 682,270.20, 941,918.40 and 453,220.20

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Solution

The fourth proportional to 682,270.20, 941,918.40 and 453,220.20 is: 625,699.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,270.20 : 941,918.40 = 453,220.20 : x
  2. Step 2: Convert to fraction form
    682,270.20/941,918.40 = 453,220.20/x
  3. Step 3: Cross multiply
    682,270.20x = 941,918.40 × 453,220.20
  4. Step 4: Simplify right side
    682,270.20x = 426,896,445,631.68
  5. Step 5: Solve for x
    x = 426,896,445,631.68/682,270.20
  6. Step 6: Final answer
    x = 625,699.97

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Double scale
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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.