Home / 579,055.64-868,416.90-199,877.84

Finding the Fourth Proportional to 579,055.64, 868,416.90 and 199,877.84

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Solution

The fourth proportional to 579,055.64, 868,416.90 and 199,877.84 is: 299,759.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,055.64 : 868,416.90 = 199,877.84 : x
  2. Step 2: Convert to fraction form
    579,055.64/868,416.90 = 199,877.84/x
  3. Step 3: Cross multiply
    579,055.64x = 868,416.90 × 199,877.84
  4. Step 4: Simplify right side
    579,055.64x = 173,577,294,191.50
  5. Step 5: Solve for x
    x = 173,577,294,191.50/579,055.64
  6. Step 6: Final answer
    x = 299,759.27

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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.