Home / 1,102,660-1,521,557.38-619,221.22

Finding the Fourth Proportional to 1,102,660, 1,521,557.38 and 619,221.22

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Solution

The fourth proportional to 1,102,660, 1,521,557.38 and 619,221.22 is: 854,461.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,660 : 1,521,557.38 = 619,221.22 : x
  2. Step 2: Convert to fraction form
    1,102,660/1,521,557.38 = 619,221.22/x
  3. Step 3: Cross multiply
    1,102,660x = 1,521,557.38 × 619,221.22
  4. Step 4: Simplify right side
    1,102,660x = 942,180,617,143.60
  5. Step 5: Solve for x
    x = 942,180,617,143.60/1,102,660
  6. Step 6: Final answer
    x = 854,461.59

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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.