Home / 1,219,973.37-1,683,563.30-676,190.90

Finding the Fourth Proportional to 1,219,973.37, 1,683,563.30 and 676,190.90

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Solution

The fourth proportional to 1,219,973.37, 1,683,563.30 and 676,190.90 is: 933,143.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,973.37 : 1,683,563.30 = 676,190.90 : x
  2. Step 2: Convert to fraction form
    1,219,973.37/1,683,563.30 = 676,190.90/x
  3. Step 3: Cross multiply
    1,219,973.37x = 1,683,563.30 × 676,190.90
  4. Step 4: Simplify right side
    1,219,973.37x = 1,138,410,186,397.64
  5. Step 5: Solve for x
    x = 1,138,410,186,397.64/1,219,973.37
  6. Step 6: Final answer
    x = 933,143.48

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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.