Home / 1,234,201.05-1,702,512-717,896.82

Finding the Fourth Proportional to 1,234,201.05, 1,702,512 and 717,896.82

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Solution

The fourth proportional to 1,234,201.05, 1,702,512 and 717,896.82 is: 990,298.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,201.05 : 1,702,512 = 717,896.82 : x
  2. Step 2: Convert to fraction form
    1,234,201.05/1,702,512 = 717,896.82/x
  3. Step 3: Cross multiply
    1,234,201.05x = 1,702,512 × 717,896.82
  4. Step 4: Simplify right side
    1,234,201.05x = 1,222,227,957,196.26
  5. Step 5: Solve for x
    x = 1,222,227,957,196.26/1,234,201.05
  6. Step 6: Final answer
    x = 990,298.91

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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.