Home / 653,585.28-981,217.50-503,920.62

Finding the Fourth Proportional to 653,585.28, 981,217.50 and 503,920.62

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Solution

The fourth proportional to 653,585.28, 981,217.50 and 503,920.62 is: 756,528.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,585.28 : 981,217.50 = 503,920.62 : x
  2. Step 2: Convert to fraction form
    653,585.28/981,217.50 = 503,920.62/x
  3. Step 3: Cross multiply
    653,585.28x = 981,217.50 × 503,920.62
  4. Step 4: Simplify right side
    653,585.28x = 494,455,730,954.85
  5. Step 5: Solve for x
    x = 494,455,730,954.85/653,585.28
  6. Step 6: Final answer
    x = 756,528.25

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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.