Home / 410,103.18-565,986.15-228,878.10

Finding the Fourth Proportional to 410,103.18, 565,986.15 and 228,878.10

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Solution

The fourth proportional to 410,103.18, 565,986.15 and 228,878.10 is: 315,876.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,103.18 : 565,986.15 = 228,878.10 : x
  2. Step 2: Convert to fraction form
    410,103.18/565,986.15 = 228,878.10/x
  3. Step 3: Cross multiply
    410,103.18x = 565,986.15 × 228,878.10
  4. Step 4: Simplify right side
    410,103.18x = 129,541,834,638.32
  5. Step 5: Solve for x
    x = 129,541,834,638.32/410,103.18
  6. Step 6: Final answer
    x = 315,876.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.