Home / 674,187.16-1,011,431.58-253,466.68

Finding the Fourth Proportional to 674,187.16, 1,011,431.58 and 253,466.68

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Solution

The fourth proportional to 674,187.16, 1,011,431.58 and 253,466.68 is: 380,256.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,187.16 : 1,011,431.58 = 253,466.68 : x
  2. Step 2: Convert to fraction form
    674,187.16/1,011,431.58 = 253,466.68/x
  3. Step 3: Cross multiply
    674,187.16x = 1,011,431.58 × 253,466.68
  4. Step 4: Simplify right side
    674,187.16x = 256,364,204,629.75
  5. Step 5: Solve for x
    x = 256,364,204,629.75/674,187.16
  6. Step 6: Final answer
    x = 380,256.73

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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.