Home / 876,419.17-1,315,091.62-621,896.41

Finding the Fourth Proportional to 876,419.17, 1,315,091.62 and 621,896.41

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Solution

The fourth proportional to 876,419.17, 1,315,091.62 and 621,896.41 is: 933,173.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,419.17 : 1,315,091.62 = 621,896.41 : x
  2. Step 2: Convert to fraction form
    876,419.17/1,315,091.62 = 621,896.41/x
  3. Step 3: Cross multiply
    876,419.17x = 1,315,091.62 × 621,896.41
  4. Step 4: Simplify right side
    876,419.17x = 817,850,748,824.76
  5. Step 5: Solve for x
    x = 817,850,748,824.76/876,419.17
  6. Step 6: Final answer
    x = 933,173.05

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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.