Home / 1,349,112.56-1,860,896.77-864,910.76

Finding the Fourth Proportional to 1,349,112.56, 1,860,896.77 and 864,910.76

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Solution

The fourth proportional to 1,349,112.56, 1,860,896.77 and 864,910.76 is: 1,193,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,112.56 : 1,860,896.77 = 864,910.76 : x
  2. Step 2: Convert to fraction form
    1,349,112.56/1,860,896.77 = 864,910.76/x
  3. Step 3: Cross multiply
    1,349,112.56x = 1,860,896.77 × 864,910.76
  4. Step 4: Simplify right side
    1,349,112.56x = 1,609,509,628,155.48
  5. Step 5: Solve for x
    x = 1,609,509,628,155.48/1,349,112.56
  6. Step 6: Final answer
    x = 1,193,013.60

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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.