Home / 1,137,892.20-1,706,838.30-1,085,404.20

Finding the Fourth Proportional to 1,137,892.20, 1,706,838.30 and 1,085,404.20

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Solution

The fourth proportional to 1,137,892.20, 1,706,838.30 and 1,085,404.20 is: 1,628,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,892.20 : 1,706,838.30 = 1,085,404.20 : x
  2. Step 2: Convert to fraction form
    1,137,892.20/1,706,838.30 = 1,085,404.20/x
  3. Step 3: Cross multiply
    1,137,892.20x = 1,706,838.30 × 1,085,404.20
  4. Step 4: Simplify right side
    1,137,892.20x = 1,852,609,459,540.86
  5. Step 5: Solve for x
    x = 1,852,609,459,540.86/1,137,892.20
  6. Step 6: Final answer
    x = 1,628,106.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.