Home / 579,250.10-868,097.55-412,843.70

Finding the Fourth Proportional to 579,250.10, 868,097.55 and 412,843.70

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Solution

The fourth proportional to 579,250.10, 868,097.55 and 412,843.70 is: 618,711.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,250.10 : 868,097.55 = 412,843.70 : x
  2. Step 2: Convert to fraction form
    579,250.10/868,097.55 = 412,843.70/x
  3. Step 3: Cross multiply
    579,250.10x = 868,097.55 × 412,843.70
  4. Step 4: Simplify right side
    579,250.10x = 358,388,604,502.94
  5. Step 5: Solve for x
    x = 358,388,604,502.94/579,250.10
  6. Step 6: Final answer
    x = 618,711.34

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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.