Home / 814,556.76-1,124,071.11-451,972.68

Finding the Fourth Proportional to 814,556.76, 1,124,071.11 and 451,972.68

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Solution

The fourth proportional to 814,556.76, 1,124,071.11 and 451,972.68 is: 623,712.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,556.76 : 1,124,071.11 = 451,972.68 : x
  2. Step 2: Convert to fraction form
    814,556.76/1,124,071.11 = 451,972.68/x
  3. Step 3: Cross multiply
    814,556.76x = 1,124,071.11 × 451,972.68
  4. Step 4: Simplify right side
    814,556.76x = 508,049,432,097.28
  5. Step 5: Solve for x
    x = 508,049,432,097.28/814,556.76
  6. Step 6: Final answer
    x = 623,712.74

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Double scale
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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.