Home / 684,664.52-944,518.64-443,025.09

Finding the Fourth Proportional to 684,664.52, 944,518.64 and 443,025.09

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Solution

The fourth proportional to 684,664.52, 944,518.64 and 443,025.09 is: 611,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,664.52 : 944,518.64 = 443,025.09 : x
  2. Step 2: Convert to fraction form
    684,664.52/944,518.64 = 443,025.09/x
  3. Step 3: Cross multiply
    684,664.52x = 944,518.64 × 443,025.09
  4. Step 4: Simplify right side
    684,664.52x = 418,445,453,277.55
  5. Step 5: Solve for x
    x = 418,445,453,277.55/684,664.52
  6. Step 6: Final answer
    x = 611,168.60

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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.