Home / 453,986.70-680,980.05-404,220.30

Finding the Fourth Proportional to 453,986.70, 680,980.05 and 404,220.30

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Solution

The fourth proportional to 453,986.70, 680,980.05 and 404,220.30 is: 606,330.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,986.70 : 680,980.05 = 404,220.30 : x
  2. Step 2: Convert to fraction form
    453,986.70/680,980.05 = 404,220.30/x
  3. Step 3: Cross multiply
    453,986.70x = 680,980.05 × 404,220.30
  4. Step 4: Simplify right side
    453,986.70x = 275,265,960,105.02
  5. Step 5: Solve for x
    x = 275,265,960,105.02/453,986.70
  6. Step 6: Final answer
    x = 606,330.45

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Similar ratio
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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.