Home / 512,947.41-707,845.40-283,492.85

Finding the Fourth Proportional to 512,947.41, 707,845.40 and 283,492.85

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Solution

The fourth proportional to 512,947.41, 707,845.40 and 283,492.85 is: 391,207.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,947.41 : 707,845.40 = 283,492.85 : x
  2. Step 2: Convert to fraction form
    512,947.41/707,845.40 = 283,492.85/x
  3. Step 3: Cross multiply
    512,947.41x = 707,845.40 × 283,492.85
  4. Step 4: Simplify right side
    512,947.41x = 200,669,104,848.70
  5. Step 5: Solve for x
    x = 200,669,104,848.70/512,947.41
  6. Step 6: Final answer
    x = 391,207.95

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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.