Home / 851,600.88-1,277,401.52-346,436.68

Finding the Fourth Proportional to 851,600.88, 1,277,401.52 and 346,436.68

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Solution

The fourth proportional to 851,600.88, 1,277,401.52 and 346,436.68 is: 519,655.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,600.88 : 1,277,401.52 = 346,436.68 : x
  2. Step 2: Convert to fraction form
    851,600.88/1,277,401.52 = 346,436.68/x
  3. Step 3: Cross multiply
    851,600.88x = 1,277,401.52 × 346,436.68
  4. Step 4: Simplify right side
    851,600.88x = 442,538,741,615.75
  5. Step 5: Solve for x
    x = 442,538,741,615.75/851,600.88
  6. Step 6: Final answer
    x = 519,655.10

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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.