Home / 537,616.20-806,861.70-520,120.20

Finding the Fourth Proportional to 537,616.20, 806,861.70 and 520,120.20

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Solution

The fourth proportional to 537,616.20, 806,861.70 and 520,120.20 is: 780,603.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,616.20 : 806,861.70 = 520,120.20 : x
  2. Step 2: Convert to fraction form
    537,616.20/806,861.70 = 520,120.20/x
  3. Step 3: Cross multiply
    537,616.20x = 806,861.70 × 520,120.20
  4. Step 4: Simplify right side
    537,616.20x = 419,665,068,776.34
  5. Step 5: Solve for x
    x = 419,665,068,776.34/537,616.20
  6. Step 6: Final answer
    x = 780,603.47

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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.