Home / 653,986.48-980,998.08-180,671.92

Finding the Fourth Proportional to 653,986.48, 980,998.08 and 180,671.92

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Solution

The fourth proportional to 653,986.48, 980,998.08 and 180,671.92 is: 271,012.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,986.48 : 980,998.08 = 180,671.92 : x
  2. Step 2: Convert to fraction form
    653,986.48/980,998.08 = 180,671.92/x
  3. Step 3: Cross multiply
    653,986.48x = 980,998.08 × 180,671.92
  4. Step 4: Simplify right side
    653,986.48x = 177,238,806,629.91
  5. Step 5: Solve for x
    x = 177,238,806,629.91/653,986.48
  6. Step 6: Final answer
    x = 271,012.95

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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.