Home / 746,854.38-1,120,282.23-320,113.26

Finding the Fourth Proportional to 746,854.38, 1,120,282.23 and 320,113.26

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Solution

The fourth proportional to 746,854.38, 1,120,282.23 and 320,113.26 is: 480,170.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,854.38 : 1,120,282.23 = 320,113.26 : x
  2. Step 2: Convert to fraction form
    746,854.38/1,120,282.23 = 320,113.26/x
  3. Step 3: Cross multiply
    746,854.38x = 1,120,282.23 × 320,113.26
  4. Step 4: Simplify right side
    746,854.38x = 358,617,196,765.37
  5. Step 5: Solve for x
    x = 358,617,196,765.37/746,854.38
  6. Step 6: Final answer
    x = 480,170.17

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.