Home / 653,637.06-980,456.36-204,360.29

Finding the Fourth Proportional to 653,637.06, 980,456.36 and 204,360.29

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Solution

The fourth proportional to 653,637.06, 980,456.36 and 204,360.29 is: 306,540.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,637.06 : 980,456.36 = 204,360.29 : x
  2. Step 2: Convert to fraction form
    653,637.06/980,456.36 = 204,360.29/x
  3. Step 3: Cross multiply
    653,637.06x = 980,456.36 × 204,360.29
  4. Step 4: Simplify right side
    653,637.06x = 200,366,341,804.57
  5. Step 5: Solve for x
    x = 200,366,341,804.57/653,637.06
  6. Step 6: Final answer
    x = 306,540.67

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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.