Home / 410,014.18-565,820.49-228,721.60

Finding the Fourth Proportional to 410,014.18, 565,820.49 and 228,721.60

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Solution

The fourth proportional to 410,014.18, 565,820.49 and 228,721.60 is: 315,636.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,014.18 : 565,820.49 = 228,721.60 : x
  2. Step 2: Convert to fraction form
    410,014.18/565,820.49 = 228,721.60/x
  3. Step 3: Cross multiply
    410,014.18x = 565,820.49 × 228,721.60
  4. Step 4: Simplify right side
    410,014.18x = 129,415,367,785.58
  5. Step 5: Solve for x
    x = 129,415,367,785.58/410,014.18
  6. Step 6: Final answer
    x = 315,636.32

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1.5x scale

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.