Home / 812,840.60-1,214,317.08-526,195.97

Finding the Fourth Proportional to 812,840.60, 1,214,317.08 and 526,195.97

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Solution

The fourth proportional to 812,840.60, 1,214,317.08 and 526,195.97 is: 786,093.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,840.60 : 1,214,317.08 = 526,195.97 : x
  2. Step 2: Convert to fraction form
    812,840.60/1,214,317.08 = 526,195.97/x
  3. Step 3: Cross multiply
    812,840.60x = 1,214,317.08 × 526,195.97
  4. Step 4: Simplify right side
    812,840.60x = 638,968,753,798.17
  5. Step 5: Solve for x
    x = 638,968,753,798.17/812,840.60
  6. Step 6: Final answer
    x = 786,093.56

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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.