Home / 865,245.06-1,194,031.16-478,059.26

Finding the Fourth Proportional to 865,245.06, 1,194,031.16 and 478,059.26

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Solution

The fourth proportional to 865,245.06, 1,194,031.16 and 478,059.26 is: 659,717.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,245.06 : 1,194,031.16 = 478,059.26 : x
  2. Step 2: Convert to fraction form
    865,245.06/1,194,031.16 = 478,059.26/x
  3. Step 3: Cross multiply
    865,245.06x = 1,194,031.16 × 478,059.26
  4. Step 4: Simplify right side
    865,245.06x = 570,817,652,766.54
  5. Step 5: Solve for x
    x = 570,817,652,766.54/865,245.06
  6. Step 6: Final answer
    x = 659,717.90

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Double scale
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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.