Home / 579,032.55-868,724.46-279,457.29

Finding the Fourth Proportional to 579,032.55, 868,724.46 and 279,457.29

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Solution

The fourth proportional to 579,032.55, 868,724.46 and 279,457.29 is: 419,270.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,032.55 : 868,724.46 = 279,457.29 : x
  2. Step 2: Convert to fraction form
    579,032.55/868,724.46 = 279,457.29/x
  3. Step 3: Cross multiply
    579,032.55x = 868,724.46 × 279,457.29
  4. Step 4: Simplify right side
    579,032.55x = 242,771,383,348.31
  5. Step 5: Solve for x
    x = 242,771,383,348.31/579,032.55
  6. Step 6: Final answer
    x = 419,270.70

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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.