Home / 1,101,878.20-1,652,817.30-628,611.40

Finding the Fourth Proportional to 1,101,878.20, 1,652,817.30 and 628,611.40

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Solution

The fourth proportional to 1,101,878.20, 1,652,817.30 and 628,611.40 is: 942,917.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,878.20 : 1,652,817.30 = 628,611.40 : x
  2. Step 2: Convert to fraction form
    1,101,878.20/1,652,817.30 = 628,611.40/x
  3. Step 3: Cross multiply
    1,101,878.20x = 1,652,817.30 × 628,611.40
  4. Step 4: Simplify right side
    1,101,878.20x = 1,038,979,796,897.22
  5. Step 5: Solve for x
    x = 1,038,979,796,897.22/1,101,878.20
  6. Step 6: Final answer
    x = 942,917.10

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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.