Home / 676,578.69-1,014,741.05-339,528.88

Finding the Fourth Proportional to 676,578.69, 1,014,741.05 and 339,528.88

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Solution

The fourth proportional to 676,578.69, 1,014,741.05 and 339,528.88 is: 509,229.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,578.69 : 1,014,741.05 = 339,528.88 : x
  2. Step 2: Convert to fraction form
    676,578.69/1,014,741.05 = 339,528.88/x
  3. Step 3: Cross multiply
    676,578.69x = 1,014,741.05 × 339,528.88
  4. Step 4: Simplify right side
    676,578.69x = 344,533,890,508.49
  5. Step 5: Solve for x
    x = 344,533,890,508.49/676,578.69
  6. Step 6: Final answer
    x = 509,229.59

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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.