Home / 651,613.64-899,226.24-361,243.76

Finding the Fourth Proportional to 651,613.64, 899,226.24 and 361,243.76

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Solution

The fourth proportional to 651,613.64, 899,226.24 and 361,243.76 is: 498,516.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,613.64 : 899,226.24 = 361,243.76 : x
  2. Step 2: Convert to fraction form
    651,613.64/899,226.24 = 361,243.76/x
  3. Step 3: Cross multiply
    651,613.64x = 899,226.24 × 361,243.76
  4. Step 4: Simplify right side
    651,613.64x = 324,839,868,028.26
  5. Step 5: Solve for x
    x = 324,839,868,028.26/651,613.64
  6. Step 6: Final answer
    x = 498,516.07

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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.