Home / 825,691.52-1,139,363.21-463,040.75

Finding the Fourth Proportional to 825,691.52, 1,139,363.21 and 463,040.75

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Solution

The fourth proportional to 825,691.52, 1,139,363.21 and 463,040.75 is: 638,945.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,691.52 : 1,139,363.21 = 463,040.75 : x
  2. Step 2: Convert to fraction form
    825,691.52/1,139,363.21 = 463,040.75/x
  3. Step 3: Cross multiply
    825,691.52x = 1,139,363.21 × 463,040.75
  4. Step 4: Simplify right side
    825,691.52x = 527,571,599,286.82
  5. Step 5: Solve for x
    x = 527,571,599,286.82/825,691.52
  6. Step 6: Final answer
    x = 638,945.16

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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.