Home / 716,494.08-1,073,107.20-342,781.44

Finding the Fourth Proportional to 716,494.08, 1,073,107.20 and 342,781.44

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Solution

The fourth proportional to 716,494.08, 1,073,107.20 and 342,781.44 is: 513,390.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,494.08 : 1,073,107.20 = 342,781.44 : x
  2. Step 2: Convert to fraction form
    716,494.08/1,073,107.20 = 342,781.44/x
  3. Step 3: Cross multiply
    716,494.08x = 1,073,107.20 × 342,781.44
  4. Step 4: Simplify right side
    716,494.08x = 367,841,231,290.37
  5. Step 5: Solve for x
    x = 367,841,231,290.37/716,494.08
  6. Step 6: Final answer
    x = 513,390.47

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Double scale
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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.