Home / 1,156,961.28-1,728,809.28-881,885.28

Finding the Fourth Proportional to 1,156,961.28, 1,728,809.28 and 881,885.28

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Solution

The fourth proportional to 1,156,961.28, 1,728,809.28 and 881,885.28 is: 1,317,772.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,961.28 : 1,728,809.28 = 881,885.28 : x
  2. Step 2: Convert to fraction form
    1,156,961.28/1,728,809.28 = 881,885.28/x
  3. Step 3: Cross multiply
    1,156,961.28x = 1,728,809.28 × 881,885.28
  4. Step 4: Simplify right side
    1,156,961.28x = 1,524,611,455,959.40
  5. Step 5: Solve for x
    x = 1,524,611,455,959.40/1,156,961.28
  6. Step 6: Final answer
    x = 1,317,772.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.