Home / 842,408.77-1,162,506.97-460,438.28

Finding the Fourth Proportional to 842,408.77, 1,162,506.97 and 460,438.28

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Solution

The fourth proportional to 842,408.77, 1,162,506.97 and 460,438.28 is: 635,395.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,408.77 : 1,162,506.97 = 460,438.28 : x
  2. Step 2: Convert to fraction form
    842,408.77/1,162,506.97 = 460,438.28/x
  3. Step 3: Cross multiply
    842,408.77x = 1,162,506.97 × 460,438.28
  4. Step 4: Simplify right side
    842,408.77x = 535,262,707,452.62
  5. Step 5: Solve for x
    x = 535,262,707,452.62/842,408.77
  6. Step 6: Final answer
    x = 635,395.46

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Half scale
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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.