Home / 1,102,431.36-1,521,443.52-619,028.64

Finding the Fourth Proportional to 1,102,431.36, 1,521,443.52 and 619,028.64

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Solution

The fourth proportional to 1,102,431.36, 1,521,443.52 and 619,028.64 is: 854,309.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,431.36 : 1,521,443.52 = 619,028.64 : x
  2. Step 2: Convert to fraction form
    1,102,431.36/1,521,443.52 = 619,028.64/x
  3. Step 3: Cross multiply
    1,102,431.36x = 1,521,443.52 × 619,028.64
  4. Step 4: Simplify right side
    1,102,431.36x = 941,817,113,022.41
  5. Step 5: Solve for x
    x = 941,817,113,022.41/1,102,431.36
  6. Step 6: Final answer
    x = 854,309.07

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Double scale
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1.5x scale

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.