Home / 1,641,180.90-2,459,700.60-831,768.72

Finding the Fourth Proportional to 1,641,180.90, 2,459,700.60 and 831,768.72

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Solution

The fourth proportional to 1,641,180.90, 2,459,700.60 and 831,768.72 is: 1,246,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,180.90 : 2,459,700.60 = 831,768.72 : x
  2. Step 2: Convert to fraction form
    1,641,180.90/2,459,700.60 = 831,768.72/x
  3. Step 3: Cross multiply
    1,641,180.90x = 2,459,700.60 × 831,768.72
  4. Step 4: Simplify right side
    1,641,180.90x = 2,045,902,019,645.23
  5. Step 5: Solve for x
    x = 2,045,902,019,645.23/1,641,180.90
  6. Step 6: Final answer
    x = 1,246,603.60

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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.