Home / 825,892.85-1,140,220.77-520,231.24

Finding the Fourth Proportional to 825,892.85, 1,140,220.77 and 520,231.24

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Solution

The fourth proportional to 825,892.85, 1,140,220.77 and 520,231.24 is: 718,226.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,892.85 : 1,140,220.77 = 520,231.24 : x
  2. Step 2: Convert to fraction form
    825,892.85/1,140,220.77 = 520,231.24/x
  3. Step 3: Cross multiply
    825,892.85x = 1,140,220.77 × 520,231.24
  4. Step 4: Simplify right side
    825,892.85x = 593,178,465,050.86
  5. Step 5: Solve for x
    x = 593,178,465,050.86/825,892.85
  6. Step 6: Final answer
    x = 718,226.90

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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.