Home / 427,971.75-590,600.64-236,985.13

Finding the Fourth Proportional to 427,971.75, 590,600.64 and 236,985.13

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Solution

The fourth proportional to 427,971.75, 590,600.64 and 236,985.13 is: 327,039.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,971.75 : 590,600.64 = 236,985.13 : x
  2. Step 2: Convert to fraction form
    427,971.75/590,600.64 = 236,985.13/x
  3. Step 3: Cross multiply
    427,971.75x = 590,600.64 × 236,985.13
  4. Step 4: Simplify right side
    427,971.75x = 139,963,569,448.48
  5. Step 5: Solve for x
    x = 139,963,569,448.48/427,971.75
  6. Step 6: Final answer
    x = 327,039.27

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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.