Home / 1,138,740.77-1,571,462.01-622,496.82

Finding the Fourth Proportional to 1,138,740.77, 1,571,462.01 and 622,496.82

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Solution

The fourth proportional to 1,138,740.77, 1,571,462.01 and 622,496.82 is: 859,045.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,740.77 : 1,571,462.01 = 622,496.82 : x
  2. Step 2: Convert to fraction form
    1,138,740.77/1,571,462.01 = 622,496.82/x
  3. Step 3: Cross multiply
    1,138,740.77x = 1,571,462.01 × 622,496.82
  4. Step 4: Simplify right side
    1,138,740.77x = 978,230,103,975.81
  5. Step 5: Solve for x
    x = 978,230,103,975.81/1,138,740.77
  6. Step 6: Final answer
    x = 859,045.48

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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.