Home / 427,960.88-590,578.78-236,970.16

Finding the Fourth Proportional to 427,960.88, 590,578.78 and 236,970.16

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Solution

The fourth proportional to 427,960.88, 590,578.78 and 236,970.16 is: 327,014.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,960.88 : 590,578.78 = 236,970.16 : x
  2. Step 2: Convert to fraction form
    427,960.88/590,578.78 = 236,970.16/x
  3. Step 3: Cross multiply
    427,960.88x = 590,578.78 × 236,970.16
  4. Step 4: Simplify right side
    427,960.88x = 139,949,547,989.21
  5. Step 5: Solve for x
    x = 139,949,547,989.21/427,960.88
  6. Step 6: Final answer
    x = 327,014.81

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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.