Home / 513,029.29-769,575.66-171,503.45

Finding the Fourth Proportional to 513,029.29, 769,575.66 and 171,503.45

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Solution

The fourth proportional to 513,029.29, 769,575.66 and 171,503.45 is: 257,265.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,029.29 : 769,575.66 = 171,503.45 : x
  2. Step 2: Convert to fraction form
    513,029.29/769,575.66 = 171,503.45/x
  3. Step 3: Cross multiply
    513,029.29x = 769,575.66 × 171,503.45
  4. Step 4: Simplify right side
    513,029.29x = 131,984,876,235.01
  5. Step 5: Solve for x
    x = 131,984,876,235.01/513,029.29
  6. Step 6: Final answer
    x = 257,265.77

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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.