Home / 1,175,241.26-1,621,833.63-638,697.26

Finding the Fourth Proportional to 1,175,241.26, 1,621,833.63 and 638,697.26

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Solution

The fourth proportional to 1,175,241.26, 1,621,833.63 and 638,697.26 is: 881,402.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,241.26 : 1,621,833.63 = 638,697.26 : x
  2. Step 2: Convert to fraction form
    1,175,241.26/1,621,833.63 = 638,697.26/x
  3. Step 3: Cross multiply
    1,175,241.26x = 1,621,833.63 × 638,697.26
  4. Step 4: Simplify right side
    1,175,241.26x = 1,035,860,695,656.85
  5. Step 5: Solve for x
    x = 1,035,860,695,656.85/1,175,241.26
  6. Step 6: Final answer
    x = 881,402.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.