Home / 812,840.87-1,214,317.47-526,196.24

Finding the Fourth Proportional to 812,840.87, 1,214,317.47 and 526,196.24

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Solution

The fourth proportional to 812,840.87, 1,214,317.47 and 526,196.24 is: 786,093.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,840.87 : 1,214,317.47 = 526,196.24 : x
  2. Step 2: Convert to fraction form
    812,840.87/1,214,317.47 = 526,196.24/x
  3. Step 3: Cross multiply
    812,840.87x = 1,214,317.47 × 526,196.24
  4. Step 4: Simplify right side
    812,840.87x = 638,969,280,808.73
  5. Step 5: Solve for x
    x = 638,969,280,808.73/812,840.87
  6. Step 6: Final answer
    x = 786,093.94

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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.