Home / 862,043.57-1,189,534.97-480,105.89

Finding the Fourth Proportional to 862,043.57, 1,189,534.97 and 480,105.89

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Solution

The fourth proportional to 862,043.57, 1,189,534.97 and 480,105.89 is: 662,498.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,043.57 : 1,189,534.97 = 480,105.89 : x
  2. Step 2: Convert to fraction form
    862,043.57/1,189,534.97 = 480,105.89/x
  3. Step 3: Cross multiply
    862,043.57x = 1,189,534.97 × 480,105.89
  4. Step 4: Simplify right side
    862,043.57x = 571,102,745,457.97
  5. Step 5: Solve for x
    x = 571,102,745,457.97/862,043.57
  6. Step 6: Final answer
    x = 662,498.70

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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.