Home / 653,965.65-981,005.45-180,651.47

Finding the Fourth Proportional to 653,965.65, 981,005.45 and 180,651.47

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Solution

The fourth proportional to 653,965.65, 981,005.45 and 180,651.47 is: 270,992.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,965.65 : 981,005.45 = 180,651.47 : x
  2. Step 2: Convert to fraction form
    653,965.65/981,005.45 = 180,651.47/x
  3. Step 3: Cross multiply
    653,965.65x = 981,005.45 × 180,651.47
  4. Step 4: Simplify right side
    653,965.65x = 177,220,070,812.23
  5. Step 5: Solve for x
    x = 177,220,070,812.23/653,965.65
  6. Step 6: Final answer
    x = 270,992.93

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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.