Home / 825,891.85-1,140,219.39-520,230.24

Finding the Fourth Proportional to 825,891.85, 1,140,219.39 and 520,230.24

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Solution

The fourth proportional to 825,891.85, 1,140,219.39 and 520,230.24 is: 718,225.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,891.85 : 1,140,219.39 = 520,230.24 : x
  2. Step 2: Convert to fraction form
    825,891.85/1,140,219.39 = 520,230.24/x
  3. Step 3: Cross multiply
    825,891.85x = 1,140,219.39 × 520,230.24
  4. Step 4: Simplify right side
    825,891.85x = 593,176,606,912.35
  5. Step 5: Solve for x
    x = 593,176,606,912.35/825,891.85
  6. Step 6: Final answer
    x = 718,225.52

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Double scale
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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.