Home / 653,932.71-980,955.36-180,618.12

Finding the Fourth Proportional to 653,932.71, 980,955.36 and 180,618.12

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Solution

The fourth proportional to 653,932.71, 980,955.36 and 180,618.12 is: 270,942.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,932.71 : 980,955.36 = 180,618.12 : x
  2. Step 2: Convert to fraction form
    653,932.71/980,955.36 = 180,618.12/x
  3. Step 3: Cross multiply
    653,932.71x = 980,955.36 × 180,618.12
  4. Step 4: Simplify right side
    653,932.71x = 177,178,312,927.12
  5. Step 5: Solve for x
    x = 177,178,312,927.12/653,932.71
  6. Step 6: Final answer
    x = 270,942.73

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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.