Home / 568,629.20-851,820.60-369,088.40

Finding the Fourth Proportional to 568,629.20, 851,820.60 and 369,088.40

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Solution

The fourth proportional to 568,629.20, 851,820.60 and 369,088.40 is: 552,903.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,629.20 : 851,820.60 = 369,088.40 : x
  2. Step 2: Convert to fraction form
    568,629.20/851,820.60 = 369,088.40/x
  3. Step 3: Cross multiply
    568,629.20x = 851,820.60 × 369,088.40
  4. Step 4: Simplify right side
    568,629.20x = 314,397,102,341.04
  5. Step 5: Solve for x
    x = 314,397,102,341.04/568,629.20
  6. Step 6: Final answer
    x = 552,903.55

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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.