Home / 1,114,663.90-1,538,245.21-605,369.92

Finding the Fourth Proportional to 1,114,663.90, 1,538,245.21 and 605,369.92

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Solution

The fourth proportional to 1,114,663.90, 1,538,245.21 and 605,369.92 is: 835,415.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,663.90 : 1,538,245.21 = 605,369.92 : x
  2. Step 2: Convert to fraction form
    1,114,663.90/1,538,245.21 = 605,369.92/x
  3. Step 3: Cross multiply
    1,114,663.90x = 1,538,245.21 × 605,369.92
  4. Step 4: Simplify right side
    1,114,663.90x = 931,207,372,026.86
  5. Step 5: Solve for x
    x = 931,207,372,026.86/1,114,663.90
  6. Step 6: Final answer
    x = 835,415.39

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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.