Home / 812,841.87-1,214,318.96-526,197.24

Finding the Fourth Proportional to 812,841.87, 1,214,318.96 and 526,197.24

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Solution

The fourth proportional to 812,841.87, 1,214,318.96 and 526,197.24 is: 786,095.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,841.87 : 1,214,318.96 = 526,197.24 : x
  2. Step 2: Convert to fraction form
    812,841.87/1,214,318.96 = 526,197.24/x
  3. Step 3: Cross multiply
    812,841.87x = 1,214,318.96 × 526,197.24
  4. Step 4: Simplify right side
    812,841.87x = 638,971,285,231.67
  5. Step 5: Solve for x
    x = 638,971,285,231.67/812,841.87
  6. Step 6: Final answer
    x = 786,095.44

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.