Home / 865,208.03-1,296,959.09-303,848.87

Finding the Fourth Proportional to 865,208.03, 1,296,959.09 and 303,848.87

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Solution

The fourth proportional to 865,208.03, 1,296,959.09 and 303,848.87 is: 455,473.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,208.03 : 1,296,959.09 = 303,848.87 : x
  2. Step 2: Convert to fraction form
    865,208.03/1,296,959.09 = 303,848.87/x
  3. Step 3: Cross multiply
    865,208.03x = 1,296,959.09 × 303,848.87
  4. Step 4: Simplify right side
    865,208.03x = 394,079,545,928.69
  5. Step 5: Solve for x
    x = 394,079,545,928.69/865,208.03
  6. Step 6: Final answer
    x = 455,473.75

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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.