Home / 427,905.28-590,468.32-236,911.68

Finding the Fourth Proportional to 427,905.28, 590,468.32 and 236,911.68

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Solution

The fourth proportional to 427,905.28, 590,468.32 and 236,911.68 is: 326,915.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,905.28 : 590,468.32 = 236,911.68 : x
  2. Step 2: Convert to fraction form
    427,905.28/590,468.32 = 236,911.68/x
  3. Step 3: Cross multiply
    427,905.28x = 590,468.32 × 236,911.68
  4. Step 4: Simplify right side
    427,905.28x = 139,888,841,677.98
  5. Step 5: Solve for x
    x = 139,888,841,677.98/427,905.28
  6. Step 6: Final answer
    x = 326,915.44

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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.