Home / 1,398,074.34-1,929,324.24-786,226.91

Finding the Fourth Proportional to 1,398,074.34, 1,929,324.24 and 786,226.91

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Solution

The fourth proportional to 1,398,074.34, 1,929,324.24 and 786,226.91 is: 1,084,982.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,074.34 : 1,929,324.24 = 786,226.91 : x
  2. Step 2: Convert to fraction form
    1,398,074.34/1,929,324.24 = 786,226.91/x
  3. Step 3: Cross multiply
    1,398,074.34x = 1,929,324.24 × 786,226.91
  4. Step 4: Simplify right side
    1,398,074.34x = 1,516,886,635,603.30
  5. Step 5: Solve for x
    x = 1,516,886,635,603.30/1,398,074.34
  6. Step 6: Final answer
    x = 1,084,982.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.