Home / 766,856.42-1,058,137.40-444,503.56

Finding the Fourth Proportional to 766,856.42, 1,058,137.40 and 444,503.56

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Solution

The fourth proportional to 766,856.42, 1,058,137.40 and 444,503.56 is: 613,342.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,856.42 : 1,058,137.40 = 444,503.56 : x
  2. Step 2: Convert to fraction form
    766,856.42/1,058,137.40 = 444,503.56/x
  3. Step 3: Cross multiply
    766,856.42x = 1,058,137.40 × 444,503.56
  4. Step 4: Simplify right side
    766,856.42x = 470,345,841,269.14
  5. Step 5: Solve for x
    x = 470,345,841,269.14/766,856.42
  6. Step 6: Final answer
    x = 613,342.77

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Double scale
Find fourth proportional to 766,857.42, 1,058,138.78 and 444,504.56
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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.