Home / 925,981.12-1,395,912.06-864,256.46

Finding the Fourth Proportional to 925,981.12, 1,395,912.06 and 864,256.46

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Solution

The fourth proportional to 925,981.12, 1,395,912.06 and 864,256.46 is: 1,302,862.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,981.12 : 1,395,912.06 = 864,256.46 : x
  2. Step 2: Convert to fraction form
    925,981.12/1,395,912.06 = 864,256.46/x
  3. Step 3: Cross multiply
    925,981.12x = 1,395,912.06 × 864,256.46
  4. Step 4: Simplify right side
    925,981.12x = 1,206,426,009,962.63
  5. Step 5: Solve for x
    x = 1,206,426,009,962.63/925,981.12
  6. Step 6: Final answer
    x = 1,302,862.43

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.