Home / 950,084.55-1,311,116.70-520,364.64

Finding the Fourth Proportional to 950,084.55, 1,311,116.70 and 520,364.64

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Solution

The fourth proportional to 950,084.55, 1,311,116.70 and 520,364.64 is: 718,103.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,084.55 : 1,311,116.70 = 520,364.64 : x
  2. Step 2: Convert to fraction form
    950,084.55/1,311,116.70 = 520,364.64/x
  3. Step 3: Cross multiply
    950,084.55x = 1,311,116.70 × 520,364.64
  4. Step 4: Simplify right side
    950,084.55x = 682,258,767,622.99
  5. Step 5: Solve for x
    x = 682,258,767,622.99/950,084.55
  6. Step 6: Final answer
    x = 718,103.21

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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.