Home / 1,154,049-1,592,558.28-644,755.20

Finding the Fourth Proportional to 1,154,049, 1,592,558.28 and 644,755.20

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Solution

The fourth proportional to 1,154,049, 1,592,558.28 and 644,755.20 is: 889,745.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,049 : 1,592,558.28 = 644,755.20 : x
  2. Step 2: Convert to fraction form
    1,154,049/1,592,558.28 = 644,755.20/x
  3. Step 3: Cross multiply
    1,154,049x = 1,592,558.28 × 644,755.20
  4. Step 4: Simplify right side
    1,154,049x = 1,026,810,232,333.06
  5. Step 5: Solve for x
    x = 1,026,810,232,333.06/1,154,049
  6. Step 6: Final answer
    x = 889,745.78

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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.