Home / 409,541.04-565,172.28-228,247.92

Finding the Fourth Proportional to 409,541.04, 565,172.28 and 228,247.92

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Solution

The fourth proportional to 409,541.04, 565,172.28 and 228,247.92 is: 314,985.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,541.04 : 565,172.28 = 228,247.92 : x
  2. Step 2: Convert to fraction form
    409,541.04/565,172.28 = 228,247.92/x
  3. Step 3: Cross multiply
    409,541.04x = 565,172.28 × 228,247.92
  4. Step 4: Simplify right side
    409,541.04x = 128,999,397,351.66
  5. Step 5: Solve for x
    x = 128,999,397,351.66/409,541.04
  6. Step 6: Final answer
    x = 314,985.28

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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.