Home / 1,138,737.77-1,571,457.87-622,493.82

Finding the Fourth Proportional to 1,138,737.77, 1,571,457.87 and 622,493.82

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Solution

The fourth proportional to 1,138,737.77, 1,571,457.87 and 622,493.82 is: 859,041.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,737.77 : 1,571,457.87 = 622,493.82 : x
  2. Step 2: Convert to fraction form
    1,138,737.77/1,571,457.87 = 622,493.82/x
  3. Step 3: Cross multiply
    1,138,737.77x = 1,571,457.87 × 622,493.82
  4. Step 4: Simplify right side
    1,138,737.77x = 978,222,812,465.36
  5. Step 5: Solve for x
    x = 978,222,812,465.36/1,138,737.77
  6. Step 6: Final answer
    x = 859,041.34

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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.