Home / 865,534.25-1,194,415.26-483,563.90

Finding the Fourth Proportional to 865,534.25, 1,194,415.26 and 483,563.90

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Solution

The fourth proportional to 865,534.25, 1,194,415.26 and 483,563.90 is: 667,305.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,534.25 : 1,194,415.26 = 483,563.90 : x
  2. Step 2: Convert to fraction form
    865,534.25/1,194,415.26 = 483,563.90/x
  3. Step 3: Cross multiply
    865,534.25x = 1,194,415.26 × 483,563.90
  4. Step 4: Simplify right side
    865,534.25x = 577,576,101,345.11
  5. Step 5: Solve for x
    x = 577,576,101,345.11/865,534.25
  6. Step 6: Final answer
    x = 667,305.89

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Double scale
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Similar ratio
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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.