Home / 579,068.55-868,778.60-279,493.29

Finding the Fourth Proportional to 579,068.55, 868,778.60 and 279,493.29

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Solution

The fourth proportional to 579,068.55, 868,778.60 and 279,493.29 is: 419,324.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,068.55 : 868,778.60 = 279,493.29 : x
  2. Step 2: Convert to fraction form
    579,068.55/868,778.60 = 279,493.29/x
  3. Step 3: Cross multiply
    579,068.55x = 868,778.60 × 279,493.29
  4. Step 4: Simplify right side
    579,068.55x = 242,817,787,798.13
  5. Step 5: Solve for x
    x = 242,817,787,798.13/579,068.55
  6. Step 6: Final answer
    x = 419,324.77

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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.